释义
n. 铰链,关键,枢纽 v. 装铰链,靠铰链移动,依...而移
例句
1. The door opens easily because the hinges were oiled. 这门开起来很容易，因为合页上了油。 2. A casement is a window that opened by means of hinge at the side. 竖铰链窗是一种用边上的铰链开启的窗户。