1. Their legs lock in place so they don't fall over. 它们的腿固定在原地，这样它们就不会摔倒。
2. This extremely poisonous carbon compound happens to be very reactive, allowing it to lock in hugely complex but stable chains of other molecules. 这种剧毒的碳化合物碰巧是非常活泼的，这使得它能够锁定在非常复杂但是稳定的其他分子链中。
3. God and humans lock in an eternal struggle, neither prevailing, yet both forever changed by their encounter with one another. 上帝和人类陷入了一场永恒的斗争中，双方都没有获胜，但却因为彼此的相遇而永远地改变了。
4. Like many investors, Mr. Tiedemann sold gold in December to lock in losses for tax purposes. 和许多投资者一样，蒂德曼出于对税务因素的考量在去年12月抛售黄金以锁定损失。
5. The engine is cold and there is no vapour lock in the pipe. 发动机很冷，管道中也没有封。
