Less than a year after they launched the world’s only quantum communications satellite, Chinese researchers have for the first time ever sent entangled photons from space to ground stations on Earth. “This is the first step towards worldwide secu...
A view shows the deserted Iena Bridge near the Eiffel Tower in Paris, during a lockdown imposed to slow the spread of the coronavirus disease (COVID-19) in France, April 8,...
Come on, there's no time to lose, we have to get home before John finds out. 赶快,没有时间耽搁了,我们必须在约翰发现之前赶到家。 2. bump up 【原句】Go. I just got bumped up ...
2. We have to submit the final report by Thursday. 我们的期末报告必须在星期四前交。 英文里每种时间的单位前面都要使用不同的介词,例如 in 1999、 in July、on July 4等等。 但是例句中的by Thursday指的是下星期四前交,如果换成on Thursday.则是指星期四那天交...
更多内容请点击：【New Scientist】Chinese satellite beats distance record for...