chain

链, 枷锁, 束缚

a series of things depending on each other as if linked together; (chemistry) a series of linked atoms (generally in an organic molecule); a series of (usually metal) rings or links fitted into one another to make a flexible ligament; (business) a number of similar establishments (stores or restaurants or banks or hotels or theaters) under one ownership

用铁练锁住, 束缚, 囚禁