| 1. | The document had been typed on a small portable . |
| 这份文件是用便携式打字机打的。
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| 2. | The new portable computers are going like hot cakes. |
| 新的便携式计算机卖得很快。
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| 3. | She traded her roller-skates for Billy's portable radio. |
| 她拿旱冰鞋换了比利的手提收音机。
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| 4. | It possesses the triple advantage of being inexpensive, portable , and easy to operate. |
| 它具有价格便宜、便于携带和易于操作的三重优点。
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| 5. | The portable house for fowls is covered on the exterior with tarpaper. |
| 活动鸡舍的外面遮着柏油防雨纸.
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| 6. | Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available. |
| 如果有相配的电压，可以煮少量水的便携式热水装置是有用的。
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| 7. | a portable , transistor radio |
| 便携式的, 晶体管的收音机
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| 8. | a portable radio, television set, typewriter, etc |
| 便携式收音机, 电视机, 打字机等
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| 9. | portable military bridge made of prefabricated sections that can be fitted together quickly |
| 贝利桥(军用便桥,由可迅速安装的预制件组成)
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| 10. | write an article on a portable typewriter |
| 用手提打字机写文章
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