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1·I have a portable typewriter.

我有一个便携式打字机。

2·Does a portable typewriter cost much?

买一台手提打字机贵吗？

3·The document was typed on a portable typewriter.

这份文件是用手提式打字机打的。

4·The author takes his portable typewriter wherever he goes.

作家随身携带他的提打字机。

5·He worked as a design consultant for Olivetti from 1958 to 1980, creating the elea 9003 calculator and the popular portable red typewriter, released on Valentine's Day in 1969.

在58年至80年间，他做为Olivetti的设计咨询者，创造出了Elea 9003计算器和在69年情人节发售的超人气便携式打字机。

6·You are well aware that this type of typewriter is portable and durable, economical and practical for high school students.

你们一定知道，这种打字机轻便高效，经久耐用又经济实惠，适合高中学生使用。