GbEng
肌肉的收缩是人体的一种反应。 The contraction of muscle is a reaction of the body.
热的金属一冷(下来)就收缩. The hot metal contracts as it cools (down).
面团在冷空气中慢慢收缩了. The dough shrank slowly in the cold air.
收缩物收缩的事物,尤指肌肉 Something, especially a muscle, that contracts.
我的套头毛衣遇热水後收缩了. The hot water shrank my pullover.
屈肌一块收缩时能弯曲身体的关节或四肢的肌肉 A muscle that when contracted acts to bend a joint or limb in the body.