breathe out

动词 breathe out:

1. expel air
   同义词：exhale, expire

1. The doctor told him to breathe in deeply and then breathe out.
   医生叫他先深深吸一口气，然后再把气吐出来。
2. Fish cannot breathe out of water.
   鱼离开水就不能呼吸。
3. The doctor told me to breathe in and then breathe out (again) slowly.
   医生叫我吸气然後(再)慢慢地呼出。