Billionaires see biggest gains富人身家增幅22年最大China's richest individuals have recorded the biggest wealth increase in 22 years, as shown by the latest...
你可曾想过飞机有朝一日能实现零排放吗？这一天离我们不远了。空客公司日前公布了三款氢动力飞机的视觉概念图，并表示氢动力飞机将在2030年到2040年间投入商业使用。Zero-emission large passenger aircraft powered by hydrogen will be te...
What is the best thing you have ever heard a teacher say?你听过老师的哪些金句？获得102好评的回答@Hope LaustGo home and take the time you need to relax. Is there anythin...
For decades, diet gurus have advised slimmers to simply 'eat less' but while that mantra seems easy, it turns out that it's harder than it...
Eyes closed,闭着眼睛she felt the cool breeze on her face她感到清风拂面as the car swept past the green pastures.车从绿色的草坪上疾驰而过The breeze felt refreshingly new微风清爽而a...
NASA snags sample of asteroid美探测器从小行星采样NASA said its OSIRIS-REx mission touched down on asteroid Bennu on Tuesday and collected a sample from the aste...
Shopping gala draws near疫情后最大消费季启动E-commerce giant Alibaba Group is roping in 250,000 brands to offer perks and discounts on some 14 million products ...
Trials of China's vaccines我国新冠疫苗已接种6万人China currently has 13 vaccine candidates in clinical trials, of which three inactivated vaccines and one ad...
美国疫情仍在恶化。美卫生专家称接下来数月美国的疫情将是最灰暗的时期”，确诊病例仍在剧增。Michael Osterholm, director of the Center of Infectious Disease Research and Policy at the Universit...
美国疾控中心日前修改了疫情防控指导意见中关于密切接触者的定义，将时间较短但反复接触的情况也包括在内。新的定义明确，只要在24小时内与新冠病毒感染者接触时间累计达15分钟，就会被认定为密切接触者。Federal health officials issued new guidance on Wedne...