postage stamp的复数形式怎么拼写

postage stamp的音标：postage stamp的英式发音音标为：['pəustidʒ stæmp]postage stamp的美式发音音标为：['postɪdʒ stæmp]...

邮票...

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...