life jacket

常见例句

双语例句

• Raise the pants over your head in the water and it will act like a life jacket.
  在水中，将充气的裤子举过头顶，它的功能就像救生衣一样。
• Even with its new orange "life jacket" that hooks around the top to keep it afloat (see photo), the device feels weightless.
  即使加上新式橙色“救生衣”——固定在顶部使其漂浮（如图片所示），你也几乎感觉不到重量。
• Do not inflate your life jacket until you are outside of the aircraft.
  在跳伞之前不要把救生衣充气。

权威例句

• Benjamin Guggenheim really did trade in his life jacket for white tie and tails.
  NEWYORKER: Unsinkable
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