Definition
- Singular
The lower part or bottom surface of something.
底部
I checked the underneath of the table to see if there were any labels.
我检查了桌子底下，看看是否有任何标签。
The cat likes to hide in the underneath of the sofa.
这只猫喜欢躲在沙发底下。
They carefully inspected the underneath of the vehicle for damage.
他们仔细检查了车辆的底部是否有损坏。