n. a series of things depending on each other as if linked together
n. (chemistry) a series of linked atoms (generally in an organic molecule)
n. a series of (usually metal) rings or links fitted into one another to make a flexible ligament
n. (business) a number of similar establishments (stores or restaurants or banks or hotels or theaters) under one ownership
n. 链, 枷锁, 束缚
vt. 用铁练锁住, 束缚, 囚禁