biennial

1.The workers were strongly against the biennial election.

工人们强烈反对两年一次的选举。

2.Herbs annual or biennial.Root stout, tuberlike, and napiform or fusiform, or branched and not tuberlike.

一年生二年生草本根粗壮，管，和芜菁纺锤形的，分枝而不管。