sag
Definition
To droop, sink, or settle down in the middle due to weight or pressure.
中文 由于重量或压力而在中间下垂、下沉或沉降。
Example
"The old mattress began to sag in the center after years of use."
To droop, sink, or settle down in the middle due to weight or pressure.
中文 由于重量或压力而在中间下垂、下沉或沉降。
"The old mattress began to sag in the center after years of use."