N-COUNT A life preserver is something such as a jacket, belt or ring, which helps you to float when you have fallen into deep water. 救生用具 [美国英语]
Of course, many conservatives want to get rid of life preservers altogether.
当然，许多保守连想连救生圈一起摆脱掉。
It's as if millions of Americans are drowning while Republicans stand on the shore, hoarding life preservers by the armfuls.
这就仿佛是，数百万的美国人在海里快被淹死，而共和党却站在岸边，怀里拿着储藏的几个救生圈。
A silky fiber obtained from the fruit of the silk-cotton tree and used for insulation and as padding in pillows mattresses and life preservers.
木棉一种绢状纤维，从木棉树的果实中提取出来，用作隔音材料，也可用作枕头，褥垫和救生用具中的垫料。
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