词典释义：
a movable joint or mechanism on which a door, gate, or lid swings as it opens and closes or which connects linked objects
铰链。
【生】 铰合部（如双壳贝的节点）。
a central point or principle on which everything depends
枢纽，关键
-
this span can be called the hinge of history. 这段时间可以称之为历史的转折点。
attach or join with or as if with a hinge
用铰链（或像铰链一样）接合
-
the ironing board was set into the wall and hinged at the bottom 烫衣板固定在墙上，底部装有铰链
-
[as adj. hinged]
a pocket watch with a hinged lid. 一块带翻盖的怀表。
[no obj., with adverbial of direction](of a door or part of a structure)hang and turn on a hinge
（门等）靠铰链（或铰合部）开合
-
the skull's jaw hinged down. 骷髅头的下颌从铰合处下挂。
[no obj.](
取决于
-
the future of the industry could hinge on the outcome of next month's election. 该行业的未来取决于下个月的选举结果。
"Middle English