postage stamp例句

A chip is a piece of silicon about the size of a postage stamp.
芯片就是一枚邮票大小的硅片。

A fifty cent postage stamp was put on the heavy letter.
那封超重的信上贴了一张五十美分的邮票.

Allan licked the postage stamp and stuck it on the envelope.
阿伦舔了舔邮票,把它贴在信封上.

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