1. If the muscles are relaxed, the sack shrinks, and all you see is a little white point. 当肌肉放松，色袋就会缩小，你就只能看到一个小白点。
2. As the city continues to expand, its neighboring village shrinks to half of its original size. 随着这座城市不断扩大，其邻近的村庄面积缩小到原来的一半。
3. The physicist Fabian reasoned that as intergalactic gas cools, the cooler gas shrinks inward toward the center of the galaxy. 物理学家费边推断，当星系间的气体冷却时，较冷的气体向星系中心收缩。
4. Astronomers theorize that a black hole forms when a massive object shrinks catastrophically under its own gravity, leaving only a gravitational field so strong that nothing escapes it. 天文学家的理论是，当一个巨大的物体在其自身的引力作用下灾难性地收缩，只留下一个强大的引力场，且没有任何东西能逃脱时，黑洞就形成了。
5. One child shrinks away from me when I try to talk to him. 我试着和这个孩子说话时，他避开了我。
