R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基.R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.蒸馏得质量分数高于98%的邻乙氧基苯甲酸,收率为92%.Distillation gave o ethoxybenzoic acid with 98 % of the p...
We spent hours poring over travel brochures.我们花了数小时仔细阅读旅游宣传册。His lunch did not take long to arrive and found him poring over a notepad covered with scrawls.不久午餐就送来了，当时他正埋头于一本满是潦草字迹的记事簿。We spent hours poring over travel b...
The boat was blown over by a squall.船被暴风刮翻了.The ship rocked in the squall.船在暴风中颠簸。The house abutting against the hill stood unaffected in the squall.那座倚山建造的房子在风暴中屹立不动.The baby's squall was heard all over the house.满...
他可不是个会偷懒的人，他是他们最好的工人。He's not a slacker, he's the best worker they've got.教练告诫姑娘们不要偷懒.The coach admonished the girls for being lazy.我不能让你偷懒.I can not suffer you to be idle....
In this dissertation, Cyclohexylbenzene ( CHB ) was used as a new overcharge protection additive in li - ion batteries.本论文将环己基苯 ( Cyclohexylbenzene,CHB ) 作为一种新型电聚合过充保护添加剂应用到 锂 离子电池中....
Cars and trucks have been torched, bottles and bricks thrown.轿车、卡车被放火焚烧，瓶子与砖块乱砸乱飞。The rioters torched the local library.暴乱者放火烧了当地的图书馆。Shattered homes were ablaze and trees were torched by flaming fuel.毁坏的房屋熊熊燃烧着,树木被汽油燃料点...
In most languages adjectives have slightly different spellings for masculine and feminine.在多数语言中，形容词的阳性和阴性的拼法略为不同。There are so many variant spellings of his name.他的名字有很多不同的拼写形式。Efforts to sandardise English spellings hav...