1. Artificial muscles can generate electricity during constriction. The electricity may even charge up your mobile phone. 人造肌肉能在收缩过程中产生电力。这种电力未来甚至能为手机充电。
2. There's one species of snake, the brown tree snake, that uses both constriction and venom, depending on its prey. 有一种蛇——棕树蛇——会根据猎物的不同，同时使用毒液和挤压的方法来杀死猎物。
3. Centromere is the primary constriction on the chromosome, a region at which the sister chromatids are held together. 着丝点是染色体的主缢痕，在这个地方姐妹染色单体连在一起。
4. The muscles of the airways are liable to constriction. 航空公司的势力范围有收缩的趋势。
5. Eating Onions helps ease constriction of bronchial tubes. 洋葱对支气管的收缩有很大的帮助。
