The demand for AI compute has ignited a specialised-chip race: Google's TPUs, Huawei's Ascend and custom silicon challenge Nvidia. With export controls on high-end GPUs, China is racing to build its own AI stack — chips are the strategic high ground.
Neuroscientist Wendy Suzuki discovered the brain-changing power of exercise almost by accident. One workout immediately boosts mood, focus and reaction time; a routine of 30 minutes, three to four times a week, grows the hippocampus and protects long-term memory. Her punchy prescription: exercise is the best thing you can do for your brain today.
位于加州帕萨迪纳市,规模极小却科研极强——管理着 NASA 的喷气推进实验室(JPL),LIGO 引力波探测在此主导。师生比极低,人均诺贝尔奖密度世界第一。
English 详解
Founded in 1891 in Pasadena, California, Caltech is tiny but mighty — it manages NASA's Jet Propulsion Laboratory and led the LIGO gravitational-wave detection. With an extremely low student-faculty ratio, it has the highest density of Nobel laureates per person in the world.
In this slot canyon in Arizona, light beams pour through cracks above while wind and water have sculpted the sandstone into flowing curves. The midday light pillars are nature's most exquisite light show.
These limestone reliefs come from a great Buddhist stupa at Amaravati in southern India and date from around AD 200. They show scenes from the Buddha's life, along with lotus flowers, elephants and tiny figures carved with remarkable delicacy. They are among the earliest and finest works of Buddhist art.
A small fiery particle thrown off from a fire or caused by friction
📖 原文例句
“Skip to content British Broadcasting Corporation Home News Sport Business Technology Health Culture Arts Travel Earth Audio Video Live Site search Home News Sport Business Technology Health Culture Arts Travel Earth Audio Video Live Weather Newsletters Grim discoveries of murdered women spark fear in South Africa 24 hours ago ShareSave Add as preferred on Google Pumza FihlaniSouthern Africa …”
🇨🇳 南非发现被谋杀女性遗体,引发民众恐慌。
搭配: spark interest · spark plug
同义: flash · ignite
反义: extinguish · dampen
recount/rɪˈkaʊnt/ v. / n.
重新计数,重数;叙述,讲述
to count something again, especially votes in an election
📖 原文例句
“Survivors recount panic and struggle to breathe in Nigerian prison cell where 37 died Police fire teargas as protests break out in city of Minna after deaths of suspected illegal goldminers, many of whom we… Skip To Content The PIE network About The PIE The PIE Events Advertise & Attend PIE Live Events Find a job The PIEoneer Awards The PIE Live The PIE Jobs The PIE Exec Search Transforming …”
🇨🇳 尼日利亚监狱37人死亡,幸存者回忆当时的恐慌和呼吸困难。
词根 · re- 再次,回
搭配: recount votes · recount a story
同义: recount · narrate
africa/ˈæfrɪkə/ n.
非洲
The second-largest continent, located mainly in the Eastern and Northern Hemispheres, known for its diverse cultures and ecosystems
📖 原文例句
“Skip to content British Broadcasting Corporation Home News Sport Business Technology Health Culture Arts Travel Earth Audio Video Live Site search Home News Sport Business Technology Health Culture Arts Travel Earth Audio Video Live Weather Newsletters Grim discoveries of murdered women spark fear in South Africa 24 hours ago ShareSave Add as preferred on Google Pumza FihlaniSouthern Africa …”
🇨🇳 南非发现被谋杀女性遗体,引发民众恐慌。
搭配: South Africa · sub-Saharan Africa
同义: related · suitable · particular
south/saʊθ/ n. / adj. / adv.
南方,南部;南方的,朝南的
The direction toward the point of the horizon 90° clockwise from east, or the region in that direction
📖 原文例句
“Skip to content British Broadcasting Corporation Home News Sport Business Technology Health Culture Arts Travel Earth Audio Video Live Site search Home News Sport Business Technology Health Culture Arts Travel Earth Audio Video Live Weather Newsletters Grim discoveries of murdered women spark fear in South Africa 24 hours ago ShareSave Add as preferred on Google Pumza FihlaniSouthern Africa …”
🇨🇳 南非发现被谋杀女性遗体,引发民众恐慌。
搭配: south of · south side
同义: southern · southward
反义: north
violence/ˈvaɪələns/ n.
暴力,暴行;猛烈,剧烈
Behavior involving physical force intended to hurt, damage, or kill someone or something
📖 原文例句
“The problem has always been there but this spate of grim discoveries has once again sparked a national outcry about the scale of violence against women in the country – which has one of the highest rates of gender based violence in the world.”
“This week has seen a chorus of calls for things to go further.”
🇨🇳 本周,要求进一步推进的呼声此起彼伏。
take a toll on
对…造成损害
📖 原文例句
““There are issues of illegal mining and it is taking a toll on our children,” he said.”
🇨🇳 他说:“非法采矿问题正在伤害我们的孩子。”
put pressure on
向…施压
📖 原文例句
“And it has put pressure on the government, less than a year after ministers acknowledged the scale of the issue and declared gender based violence a national disaster.”
🇨🇳 这给政府带来了压力。不到一年前,部长们才承认了问题的严重性,并宣布性别暴力为国家灾难。
on the ground
在现场,实地
📖 原文例句
“All of a sudden we realised that we could not breathe and we were all scampering for where to get fresh air, we even appealed to them several times, banged the cell door, but they refused to answer us.” A video shared online showed the bodies of dozens of young men clad only in shorts, most of whom appeared to be teenagers, sprawled on the ground out in the open.”