“收缩”造句
撕裂的肌肉会
收缩，丧失原来的力量、结构和紧实度。
Torn muscles retract, and lose strength, structure, and tightness.
通过胃部肌肉的
收缩食物和流质在胃中混合。
Foods and fluids are mixed in the stomach by its muscular contractions.
这种疼痛是由于血管的
收缩而引起的。
The pain is produced by constriction of the blood vessels.