n.收缩,缩减,[语]缩略,略体,缩写,(开支等)缩减,(分娩时)子宫收缩
The contraction of muscles uses energy and releases heat.
肌肉的收缩消耗能量并且释放热量。
Contraction of the timbers left gaps in the fence.
木料收缩,结果围墙露出缝来.
the expansion and contraction of the metal
金属的膨胀与收缩