有人在湖上游泳和扬帆。There was swimming and sailing down on the lake.你看一眼就能知道什么叫湖。If you look, you'll see what was a lake.洞口大半都淹没在湖里。Most of the mouth of the cave was submerged in the lake....
A thorough brushing helps to freshen up your mouth.彻底刷牙有助于口气清新。His mouth was a little open, as if he'd started to scream.他的嘴微微张开,似乎是要开始尖叫.I've always had a loud mouth, I refuse to be silenced.我一贯大声说出自己的想法，不会迫于压...