We must always hold on to the Marxist - Leninist principles.我们必须永远坚持马克思主义 列宁主义 原则.We must always hold on to the Marxist - Leninist Principles.我们必须永远坚持 马克思列宁主义 原则.What we want is the Marxist - Leninist style of study.我们要的...
People were booing and throwing things at them.人们向他们喝倒彩、掷东西。You can hear the crowd booing.你可以听到人群中的一片呸呸声.She kept her dignity despite the booing.尽管嘘声四起,她依旧泰然自若....
滑滑板时带护肘和护膝是必要的.Elbow pads and knee pads are essential on a skateboard.所有参赛者比赛时都必须佩带安全头盔及护膝、肘等可能必要的安全护具.It is mandatory that riders wear and approved safety helmet during racing.我要一副护腕和两副护膝.I want a pair of wrist protecto...
Flipper? Maybe those frisky crowd - pleasers at the aquarium?鳍状肢? 或许是水族馆中那些活泼逗人的生物?I felt frisky, as if I might break into a dance.我感到很欢快, 似乎要跳起舞来.His horse was feeling frisky, and he had to hold the reins tightly.马儿欢蹦乱跳...
Under the optimum condition the yield of isopropyl cyclopropane carboxylate is 92 %.在最佳反应条件下,环丙烷羧酸异丙酯的产率达92%.Isopropyl p - hydroxybenzoate was synthesized with toluene - p - sulfonic acid as catalyst.以对 甲苯 磺酸为催化剂合成了尼泊金异丙...