骆驼是载重的牲畜.The camel is a beast of burden.SUV被设计为具有很大的引擎,因为他们天生就是用来载重的.SUVs are designed with large engine because they are meant to carry heavy loads....
atonic constipation弛缓性便秘Atonic seizures: An independent epilepsy type or epilepsy syndrome?失张力发作: 一独立的癫痫类型或癫痫综合征?Flaccid constipation is characterized by a lazy or atonic intestinal muscle.无张力性便秘的特点是肠内肌肉松弛无力.An atonic sy...
Tin dents more easily than steel.锡比钢容易变瘪.He hammered out the dents in the metal sheet.他把金属板上的一些凹痕敲掉了.I hated to put any dents in his enthusiasm, but I was trying to be realistic.我不想打击他的热情，只是试图现实一些。After a while that sort...
They were principally used to catalyze aldol, allylation, Diels - Alder, ene and Friedel - Crafts reactions.它们主要被用来催化Aldol, 烯丙基化, Diels-Alder, Ene和 Friedel -Crafts等反应....