yawn/jɔːn $ jɑːn/

v. open your mouth wide and breathe deeply because you are tired or bored

v. [I] 打呵欠：He stretched his arms out and yawned. 他舒展了一下手臂，打了个呵欠。

音组-awn/-ɔːn $ -ɑːn/

dawn; yawn