很多雄鸟进化出鲜艳的羽毛是为了吸引雌鸟。The bright plumage of many male birds has evolved to attract females.人类的进化the evolution of the human species陆栖动物据信由海栖动物进化而来.Land animals are believed to have developed from sea animals....
Java is a densely populated island.爪哇岛人口稠密。Java comes with a plethora of ready - made types.Java配套提供了数量众多的 现成 类型.Marco Polo is said to have sailed on the Pacific on his way to Java in the thirteenth century.据说，13世纪时，马可·波...
The particle radius unit, the micron, is especially common and useful.粒子半径的单位是微米, 微米这个单位尤其普通和有用.They all basically reach an ultimate vacuum pressure of. 1 micron.它们基本上能达到. 1微米的极限真空压强.At last future developments of micron...
The stove is on wheels so it can be shuffled around easily.这个炉子底下带轮子，很容易四处移动。The silence lengthened as Thorne unnecessarily shuffled some papers.索恩整理着一些本无须整理的文件，沉默还在延续。He grinned and shuffled his feet.他咧嘴笑了，脚动来动去。...
通常床垫和床架是成套购买的。The mattress and base are normally bought as a set.这张旧床的床架是铜的.This old bed has a copper frame.这张旧床的床架是铁的.This old bed has an iron frame....