Sodium ethylate was used as catalyst in Baker - Venkataraman of cyclization, and all factors were studied.环合反应采用乙醇钠作为Baker-Venkataraman重排反应的催化剂, 研究了影响反应的各个因素....
It was a long haul doing the degree part - time, but it was worth it.在职攻读学位的过程虽然费时很长且很辛苦, 但是非常值得.It was a long haul home and we arrived exhausted.搬运回家的这段路程特别长, 到家时我们已筋疲力尽。The fisherman had a good haul.渔夫捕到一大网鱼。Passengers...
因为冷和不舒服,他的脸都成了青灰色.His face was blue - gray with cold and sickness.青灰色的上衣配上这条裤子一定好看.A greenish jacket will surely match the trousers well.青灰色的直观视觉效果就是极具金属的质感, 但又区别于我们常见的金属色彩.Green gray is highly intuitive visual effects m...