m读音一样，都读/m/音。My mouth felt completely dry.
我感到口干舌燥。
I clapped a hand over her mouth.
我猛地用一只手捂住了她的嘴。
She popped a mint into her mouth.
她往嘴里丢了块儿薄荷糖。
She kissed him full on the mouth.
她嘴正对嘴地吻了他。
How many widths can you swim?
你在游泳池里横向能游几个来回
I managed to swim to safety.
我设法游到安全处。
I think I'll go for a swim.
我想去游泳。
