The children use water wings to keep themselves up in the water while they are learning to swim.
孩子们学游泳时用浮圈使自已浮在水面上。
词典释义:
npl.(学游泳用的)双翼型充气浮袋,浮水圈
The children use water wings to keep themselves up in the water while they are learning to swim.
孩子们学游泳时用浮圈使自已浮在水面上。
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