Noun:

1. a fern of the genus Woodwardia having the sori in chainlike rows

Chainal谢纳尔chainn.束缚；链条；链；(一)连串；连锁店（常用复数）vt.束缚；用铁链锁住chain sprocket wheel链轮chain-grate stoker链极式加煤机chain linked to next向下链chain index of price环比价格指数chain-type ditcher链式开沟机chained command flag链接命令标志chain adjusting bolt链式调节带chain-plate feeder链板给料机chain transformation链变换chain of performance性能链