用“tread water”造句大全,tread water造句 国语站 造句 2.5W 大中小设置文字大小 Get in the water and swim (or tread water) for 2-3 minutes to get your body warmed up.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. TAG标签:water 造句 tread #