21. | The smell of burning rubber is not pleasant. |
| 橡胶燃烧的气味不好闻。
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22. | He put "urgent" on the letter with a rubber stamp. |
| 他用橡皮戳在信上盖了“急件”的字样。
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23. | You can stretch this rubber band out to twice its length. |
| 你可以将这根橡皮盘拉到它两倍的长度。
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24. | Substitutes for rubber can be made from petroleum. |
| 橡胶的代用品可以用石油制造。
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25. | The stair treads were covered with rubber to prevent slipping. |
| 楼梯踏板上铺了橡皮,以防滑跌倒。
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26. | Despite all the improvement , rubber still has a number of bad outs. |
| 橡胶制品虽然已有很多改进,但仍有许多缺点。
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27. | They quickly loaded a small rubber dinghy with food, matches, and cans of beer and rowed for a few miles across the Caribbean until they arrived at a tiny coral island. |
| 他们迅速把食物、火柴、罐装啤酒往一只救生筏上装。然后在加勒比海上划行了几英里,到了一座珊瑚岛上。
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28. | The men collected rainwater in the rubber dinghy. |
| 他们用像皮艇蓄积雨水。
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29. | They plunged into the lake, and after loading their gear on an inflatable rubber dinghy, let the current carry them to the other side. |
| 他们跳入湖中,把各种器具装上一只充气的橡皮艇,听任水流将他们带往对岸。
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30. | To protect themselves from the icy water, they had to wear special rubber suits. |
| 湖水冰冷刺骨,他们必须穿上一种特制的橡皮服以保护自己。
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