Listen, Richard,doing aerobics for an hour is a lot different than lifting weights.
聽(tīng)著, Richard,一小時(shí)的有氧運(yùn)動(dòng)可與舉重大不相同。
tap water that is too hot to touch can be left to cool and is generally safe to drink.
水管中流出的燙手的水可以留下來(lái)冷卻。這種水一般是安全的。