| 例句 |
Torn muscles retract, and lose strength, structure, and tightness.撕裂的肌肉会收缩，丧失原来的力量、结构和紧实度。The steel contracts as it cools.钢冷却时会收缩。Caffeine constricts the blood vessels in your body.咖啡因会收缩体内的血管。Pupils contract in bright light, and dilate in darkness.瞳孔在明亮的光线下会收缩，在黑暗中会扩大。Meat shrinks as it cooks.肉烹饪后会收缩。The hot metal undergoes contraction as it cools.热金属冷却时会收缩。A muscle contracts when it is irritated by an electric shock.肌肉受到电的刺激便会收缩。 |