Non - basic nitrogen - containing series include pyrroles, indoles, carbazoles and benzcarbazoles.不含碱性氮的化合物包括吡咯 、 吲哚 、 咔唑和苯咔唑.Fig 3 Excitation and emission spectra of indoles and its derivative in DMSO.图3吲哚及其衍生物的DMSO溶液的激...
There is a backlog of repairs and maintenance in schools.对各学校的修缮和维护工作积压了一堆。We are faced with a backlog of orders we can’t deal with.我们面对一大堆未交付的订单。(在英国指担心订货积压不易脱手，又“无奈”意；在美国指生意兴隆，有“踌躇满志”意)Investment is needed to reduce th...
Artichoke , Signow Milo ? An artichoke is a very tasty vegetable that is popular everywhere.迈洛先生, 您问的是朝鲜蓟 吗 ?朝鲜蓟是一种很好吃的蔬菜,在这一带很受欢迎.The main components of Jerusalem artichoke powder, more dietary fiber and sugar.其主要成分为菊芋粉...
The flower structure in one tree was different, enforcing cleistogamy.同一株树上的花结构不同, 因而闭花受精是强制实现的.This trait is called cleistogamy and occurs naturally in some plants.这种特性称为闭花受精;一些植物会自然发生闭花受精....
The core of the anticlinal fold, which is squeezed between faults, underwent intense crushing.背斜褶皱的核部在断层间受到挤压, 遭受到很强的破坏.a crushing defeat in the election在选举中的惨败Deprived of the crushing victory it was confidently expectin...
Two words are homophones if they are pronounced the same way but differ in meaning or spelling or both.发音相同拼写和意思不同的两个单词是同音异义词.One reason is to disambiguate homophones.原因之一是为了区别同音词....
" I thought your name was Smith, " he returned, endeavouring to get the last laugh.“ 我还以为你叫史密斯呢, " 他回答说, 想博得最后的一阵笑声.She is now at Lu - shan sanatorium and endeavouring to pull round.她目前在庐山休养所,力图把身体养好.You are endeavouring...