The joints or hooks on which a door, gate, lid, etc. turns or swings.

铰链。

The joint of an oyster or similar shell.

牡蛎或其他双贝壳之接合部。

That on which anything depends or turns.

枢纽。

To furnish with a hinge.

装铰链。

To turn or depend, as on a hinge.

依...而定；视...而定。