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...
Pen walked on, listening to his companion's prate, wondering, amused, and puzzled.潘一路走去, 听他同伴喋喋不休, 觉得又惊讶有趣, 又有些困惑不解.It's best a companion domestic cockatoo no higher than the height of the shortest person.同伴国内鹦...
他们密语了几句后, 就分头行事了.They talked secretly for several minutes, and then took individual action.在耳边甜言密语,拥抱, 拥吻, 更多的拥吻,还有更多的拥吻.Whispering sweet things, cuddles, smooches, more smooches and even more smooches.在魔术表演中使用一些魔术密语会为你的...
Leftover food and unwashed dishes cover the dirty counters.台面上又脏又乱，尽是残羹剩菜和未洗的盘子。His young opponent counters with his left hand.他的年轻对手用左手反击.Except for the sharp clicking of Chueh - hsin's abacus counters, all was sti...
The phase of writing that is actually most important is revision.实际上写作过程中最重要的阶段是修改。a thoroughgoing revision of the text对文本认真仔细的校订I have got the revision of his dictionary.我得到了他编的词典的修订本....