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移像光电摄像管
🗣️ 情景例句
You've got yourself to think about, too.
也得为自己着想。
He always comes rushing up at the last moment.
他往往到最后的一瞬间才急忙赶来。
Yes, we have done a little. But we have just started and have nothing to show you.
有，我们做了一些，但是因为我们才刚起步，并没有任何资料可以提供给你们。