It will be more susceptible to attack by hydroxyl ion.它更容易被羟基离子所作用.Both the free hydroxyl groups readily undergo esterification.两个自由羟基,都容易酯化.The free hydroxyl ion is involved in a further reaction with the silica network...
Brandeis's argument won the day even though the court was dominated by traditionalists.尽管法院为守旧派所操纵,布兰代斯仍在那天的辩论中获胜....some rather feeble traditionalists.一些相当软弱的传统主义者In literary criticism the traditionalists were more...
On the customs declaration, the sender labeled the freight as agricultural machinery.在报关单上，寄货人将货物列为农用机械。If undelivered, please return to sender.若无法投递，请退还寄信人。Undeliverable, returned to sender.无法投递, 退回原处....
Questions are spoken with a rising intonation.疑问句是以升调说出来的.The teacher checks for pronunciation and intonation.老师在检查发音和语调.Speakers can use intonation, stress, and pauses to help make their meaning clear.讲话的人可以用语调 、 重音和停顿等...
As preventive, spray plants with systemic insecticide or fumigate them regularly.作为预防措施, 要用内吸杀虫剂对植物定期喷洒,或熏蒸.Make sure the draining board, sink and plug hole are regularly disinfected.滴水板、水槽和塞孔一定要定期消毒。Try to get into the ...