1、My mother was sitting on the porch drowsing in the sun.
我母親坐在有陽光照射的門廊里打瞌睡。

2、The scent of apples: I am drowsing off.
蘋果的香味：我正在昏昏欲睡。

3、I have tried to refrain from drowsing in the class, but it failed.
我已經(jīng)試著在課堂上不要打瞌睡，但還是失敗了。

4、I'm just trying to refrain from drowsing at work.
我只是試著別在工作時(shí)打瞌睡而已。

5、My mother was sitting on the porch, drowsing in the sun.
我母親坐在有陽光照射的門廊里打瞌睡。