A life preserver consisting of a connected pair of inflatable bags that fit under a person's arms and provide buoyancy; used by children learning to swim.
由一截连在一起的充气袋子组成，能放在人的胳膊底下提供浮力；用于学水的儿童。
Inflatable mattresses and sleeping bags dot the grand marble foyers.
可充气的床垫和睡袋分布在豪华的大理石议会门厅中。
Inflatable mattresses and sleeping bags dot the grand marble foyers.
可充气的床垫和睡袋分布在豪华的大理石议会门厅中。
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