New wildlife medical centre to celebrate zoological society's 200th anniversary 伦敦 ...

The new Wildlife Health Centre is due to be built as the Zoological Society of London, which runs the zoo, celebrates its ...
BBC

Biodiversity loss risks 'ecological meltdown' – scientists 生物多样性丧失可能 ...

AI becomes more alien 人工智能自我挑战 再创新高 Episode 171204 / 04 Dec 2017 The new GO master Shipwreck finds earliest astrolabe 沉船中发现世上最早航海星盘 Episode 171127 / 27 Nov 2017 The earliest astrolabe - a type of ...
中国日报网

介词 “over” 的意思不只是 “在上方” 这样简单

听众 “秋刀鱼” 想知道多义词 “over” 的意思和用法。在作介词使用时，“over” 除了用来表示物体之间的方位关系以外，还包含许多其它的含义和用法。比如，“over summer” 的意思并不是 “在夏天的上方”；“over twenty students” 的意思也不是 “在二十名学生 ...