Surfaces may be fairly smooth or irregular, hummocky or ridged.其表面也许是相当平滑或不规则, 成波形或背状.The burying - ground is merely a huge waste of hummocky ( hilly ) earth , like a derelict ( deserted ) building - lot.坟场只不过是一片 土丘 林立的荒...
Massage is a wonderful antidote to stress.按摩是舒缓压力的一剂妙方。There is no known antidote to the poison.这种毒的解药尚未发现。Quinine is a natural antidote for this fever.奎宁是治疗这种热病的天然药....
The synthetic method, main properties and application of alkyl indican has been introduced.本文介绍了烷基糖苷的合成方法, 主要性能和用途.This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reacta...