留意便宜货，但绝不要买表面凹陷的罐头。Watch out for bargains, but never buy dented cans.这个声音如此耳熟，她根本没怎么留意。The sound was so familiar that she didn't register it.街道委员会留意所辖区域内的家家户户。Street committees keep a weather eye on the families in ...
硬度较低的石头磨光滑了。The softer rock wears away.讲硬度, 金刚钻是独一无二的.With regard to hardness, the diamond is in a class by itself.铅是硬度较低的金属之一.Lead is one of the softer metals....
The drug isoniazid is widely used in the treatment of tuberculosis.异菸肼是广泛用于治疗结核的药物.Results Ethambutol hydrochloride, isoniazid, pyrazinamide and rifampicin all had good chromatographic behavior.结果盐酸乙胺丁醇 、 利福平、吡嗪酰胺和异烟肼均具有...
贝丝叉起一片黄瓜。Bess stabbed a slice of cucumber.汤姆, 叉起蛋糕放在盘子上.Spear the cake and put it on the plate, Tom.比尔在赛跑时,约翰叉起两指预祝他获胜.John crossed his fingers during the race so that Bill would win....