They've found out where the other speaker plugs in.他们已找到另外那个扬声器的连接点了。Bruce Wyatt will be the guest speaker at next month's meeting.布鲁斯·怀亚特将成为下月会议的特邀发言人。Mr. Speaker, our message to the president is simple.议长先生，我...
The angry audience shouted the speaker down.愤怒的听众大声喊使讲话者闭口不语。to heckle a speaker诘问演讲者Angry crowds converged on the speaker.愤怒的群众向讲演者拥去.He was such a clever speaker that he always ate up the opposition.他是个很精明的演说家, 总能击败对手。...
侦探们犯了难，半岛上各个群体抱成一团，达成了保持缄默的密约。Detectives have run into a conspiracy of silence in the tight-knit communities of the peninsula.缄默的 、 悲哀的 、 被抛弃的 、 支离破碎的捷克斯洛伐克,已在黑暗之中.Silent, mournful, abandoned , broken , Czechoslovakia re...
用木薯茎切段及顶芽作为外植体,诱导木薯愈伤组织的形成.Callus was induced from explants of cassava stem with bud and shootlet.结果表明:培养基pH6.5或培养温度20℃时外植体褐化率最低.The browning rate was the lowest at pH 6.5 or 20℃.结果表明:外植体为胚轴出愈速度快 、 质量好且分化率高.The results s...