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- speaker reversal switch 扬声器倒换开关
- An on-off switch with pilot light, reversing switch and a power rheostat are mounted on the base. 开关还附有指示灯，转换装置及电阻在底座上。
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- The blare of the speaker burst upon our ears. 扩音器的噪音突然传进我们的耳中。
- The guest speaker will be our old friend John Lewis. 特邀演讲者将是我们的老朋友约翰。路易斯。
- The speaker's frankness disarmed the angry mob. 演说者的坦率缓和了愤激的群众的怒气。
- They all jeer at the foolish speaker. 他们都嘲笑那个愚蠢的演说者。
- The speaker lost himself in verbiage. 那个人演讲叠床架屋兴头十足。
- Clarity of diction is vital for a public speaker. 发音清晰对演说家至关重要。
- The speaker got off one or two very amusing jokes. 发言者讲了一两个很有趣的笑话。
- I grope for the light switch in the dark room. 我在黑洞洞的屋里摸索著寻找电灯开关。
- The speaker was peppered with awkward questions. 发言人被尴尬的问题所围困。
- The speaker will soon wind up his speech. 演说者就要结束他的讲话了。
- The switch on the kettle won't stay down. 这个水壶上的开关按下时卡不住了。
- The speaker came to the point straight away. 讲演者直述要点。
- A reversal, as in policy; an about-face. 向后转转向反面，如在政策上; 大转变
- The speaker brought the crowd to fever pitch. 演讲者激起群众高昂的情绪。
- I switch off when he starts talking about cars. 他一谈起汽车我就厌烦。
- The speaker sawed the air as he cried loudly. 发言者一边挥舞手臂一边大声叫喊。
- Polls showed a switch to Labour. 民意测验表明形势转而对工党有利。
