underside
US /ˈʌn.dɚ.saɪd/
UK /ˈʌn.də.saɪd/
名词
底面
the side of something that is usually closest to the ground:
示例:
•
The car had turned over in the ditch, and its underside was covered in oil and mud.
底面
the side of something that is usually closest to the ground: