New World frogs; in some classifications essentially coextensive with the family Bufonidae.美洲蛙; 在某些分类中,基本上与蟾蜍科同延.the croaking of frogs蛙鸣Frogs produce slime to keep their skin moist.青蛙分泌出黏液来使皮肤保持湿润。This type of tongue , a...
We have, therefore , in both of the examples above, heterocyclic compounds with " built - in " or latent functionality.上述两例中的杂环化合物,都具有 “ 固有的 ” 或潜在的官能基.Morphine: Heterocyclic compound, narcotic analgesic alkaloid original...
Obique bridge is made up of main girder crossbeam and bridge floorings.斜交桥由相互斜交的主梁、梁及桥面板组成,结构受力复杂.Compatibility will require that the girder deflection at B be zero.根据协调性的要求,梁在B点的挠度应为零.The cross girder center segments of...
the regal splendour of the palace帝王宫殿之豪华气派a view of Rheims Cathedral, in all its splendour尽显其宏伟气象的兰斯大教堂景色The hotel has the splendour of a nineteenth - century mansion.这家旅馆具有19世纪豪宅的华丽风格....
Proposed legislation affecting bird-keepers has been watered down.影响养鸟者的立法提案的措词已经缓和一些了。The zoo keepers released the lions from their cage.动物饲养员把狮子从笼子里放出来.Pet - keepers will receive a sum of 1000 yuan every year a subsidy...
射击场被一排排深红色的灯光设备从下面照亮了.The shooting-range is lit from underneath by rows of ruby-red light fittings.合适的胸罩不会留下红色勒痕。A properly fitting bra should never leave red marks.她穿了一条厚厚的格子呢裙和一件红色羊绒衫。She wore a thick tartan skirt and ...