Four electrode valve

four [fɔr]

num. 四;四个;第四; n. 四的;四个一组之物;

electrode [ɪ'lɛktrod]

n. 电极;电焊条;

hod, od 表”道路,走路”#词根助记：elect电+od=电的道路=电极

valve [vælv]

n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜; vt. 装阀于;以活门调节;

Harry, you didn't turn it down because of me …

Harry你拒绝它该不是因为我……

How many languages do you speak?

你说多少种语言？

Here are some more tips on becoming a good listener. First, take turns to listen. Don't all try to speak at the same time when you are in a group. Listen without interrupting, and stop others from interrupting. Then it will be someone else's turn. That wa

我们还可以对怎样作个好的倾听者提出几点意见。第一，轮流地听。当你们在一起时，不要同时争着说话。听的时候不要打断人家的讲话，还要阻止别人插话。然后再轮到另外的人讲话。这样，每个人都有说话的机会，也有人家恭听你说话的机会。