Plus, the headphone jack only sends information one way: from power source to speaker.
另外，耳机接口只能单向发送信息：从电源到扬声器。
There's a small crowd round the speaker, but try to edge your way in.
演讲者周围已经有了一些人，不过你还得努力挤进去。
And in that way I became a confident speaker.
这种方法使我成为一名自信的演讲者。
Reading children's literature is an excellent way for the beginning English speaker to improve.
对于刚刚开始说英语的人，阅读儿童文学读物是个不错的方法。
The speaker prepared the way for my proposal.
演说者为我的提议开了路。
The speaker prepared the way for my proposal.
演说者为我的提议开了路。
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