用tread water造句子,“tread water”造句

來源:國語幫 2.6W
tread water造句

If you've ever watched a lifeguard approach a person who is drowning, you will see the lifeguard swim out to the person and then just tread water.

Get in the water and swim (or tread water) for 2-3 minutes to get your body warmed up.

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