Most advanced polar ship heads for Antarctic 目前最先进的极地船驶向南极 Episode 211216 / 16 Dec 2021 （本节目中的视频资源于2021年10月底拍摄。 ） 本集内容 Most advanced polar ship heads for Antarctic 目前最先进的极地船驶向南极 学习要点 有关 “sea travel（出海 ...

Whalers pursued sperm whales for the rich oil in their oversized heads. Now biologists are on the tail of these deep-diving, long-lived, sociable and mysterious sea creatures. Gerard Soury / Oxford ...

Organocatalysis is a type of catalysis where the catalyst in the chemical reaction is an organic (non-metallic) compound. The catalysts operate both through the transient formation of covalent bonds, ...