breathe

The room filled with smoke, and it was becoming difficult to breathe..房间里全是烟，呼吸越来越困难。

People are concerned about the quality of the air they breathe..人们关心他们所呼吸的空气的质量。

Relax and breathe deeply (= take in a lot of air ) ..放松，深呼吸。

breathe in,吸入

breathe out,呼出

breathe freely,透气；安心

breathe deeply,深呼吸

breathe again,宽心；再次呼吸

breathe the fresh air,呼吸新鲜空气

breathe easy,呼吸通畅；松一口气；安心

breathe into,注入