The parking lot was virtually empty save for a few cars clustered to one side.除了集中停在一边的少数几辆车之外，停车场几乎是空无一物。Fifth Avenue, save for an occasional cab or foot passenger, was bare.第五大道上, 除了偶尔有辆公共马车或者有个步行的过路人之外, 已经空空荡荡.It is n...
A small group of youths stayed behind to heckle and shout abuse.一小群小青年没走，在起哄、叫骂。He mostly stayed at home tucking up the children.他主要待在家里，帮孩子们盖好被子睡觉。I saw other indistinct shapes that stayed out of vision.我看见另有一些模糊的影子晃了一下...
Preparation of salicylic hydrazide . Controlling material mole ratio and the product recrystallization is the key.水杨 酰肼的制备控制原料的摩尔比、产物的重结晶是关键....the degradation of salicylic acid in plants.植物中水杨酸的降解Topical ointments and c...