chain可数。

These chains seem fairly solid.这些链子看着挺结实。In a spasm of rapture he tears off his chains .他狂喜之下挣断锁链。More reds now swarmed over the chains .更多的红军蜂拥爬上了铁索。Is there any bend in the seamount chain海山链有弯曲的地方吗？Chain is a business that has several outlets .连锁是拥有若干分号的企业。The dog was chained , so how did it get free狗拴着，是怎么挣脱开的呢？