This reaction, called the Hofman elimination, is quite analogous to the dehydrohalogenation of an alkyl halide.这个反应称为Hofman消除反应, 它很像卤代烷的脱卤化氢反应.This paper discussed three methods of producting vinyl etherspreparation from...
It'says on the packet that these crisps contain no additives.包装上说这些炸薯片不含添加剂.Low strength concrete is caused by overdosing additives , curing improperly, being frozen in early stage etc.在混凝土施工过程中,由于混凝土标号偏低、加剂掺加过量 、 水...
许多小河的水已经漫过堤岸，造成一些道路不能通行。Many streams have flooded their banks, making some roads impassable.通往该岛的堤道只有在枯潮时才能通行。The causeway to the island is only accessible at low tide.最低的固定桥下方通行高度为12.8米。The lowest fixed bridge has 12.8m...
She clenched her teeth and refused to move.她咬紧牙关不肯挪动一步。Angry protestors with clenched fists shouted their defiance...愤怒的抗议者们紧握拳头大声抗议。Slowly, he released his breath through clenched teeth.他从紧咬的牙缝间慢慢地舒了口气。He hammered his t...
The Securities Commission chastised the firm but imposed no fine...证券委员会严厉批评了那家公司，不过没有处以罚款。Kissing the rod that chastised me is not in my line.给人家鞭打了一顿还去吻他的鞭子,这可不是属于我干的那个行业.A boy chastised himself for a ditched pitch but...