Rebels like Katharine Hamnett have made a name for bold, declamatory statements.诸如凯瑟琳·哈姆内特之类的叛逆者以口出大胆、夸张之词而闻名。Hamnett does not believe environmental concern is a passing fad.哈姆内特认为对环境的关注不是一时心血来潮。...
His dazed eyes stare at the eels, which still writhe and entwine.他茫然地盯着仍在翻滚缠绕的鳗鱼。Facing each other, the giraffes were managing to entwine their necks in the most astonishing manner.长颈鹿正面对面地用力将脖子缠绕在一起，那种姿势令人大为惊诧。Facing ea...
Man keeps the natives of many climates in the same country.人类把许多不同气候的产物畜养于同一地方.We are trying to detect and understand how the climates change.我们正努力探寻并理解气候是如何变化的。We are trying to detect and understand how the climates cha...
Both the free hydroxyl groups readily undergo esterification.两个自由羟基,都容易酯化.The rate of hydrolysis is for the most part significantly lower than the esterification rate.多数情况下水解速度较酯化速度低得多.The esterification of xylitol and o...
Recent advances in ring closing metathesis ( RCM ) reaction, including olefin and enyne metathesis reaction are reviewed.综述了近几年来关环复分解 ( RCM ) 反应的研究新进展, 包括了烯烃、烯-炔的RCM反应.Advances in medicine, astronomy , and cartography ar...