A valve on a sink or pipe that controls water flow.

• A tap or spigot for dispensing water.

装在水槽或管道上的阀门，用于控制水流。

• 用于放出或关闭水的龙头。

A system that periodically injects currency or rewards into a game economy.

• A source that adds money to the system.

在游戏经济中定期注入货币或奖励的机制。

• 向系统投放资金的来源。

A tapered tube forced into a cask.

• Its outer end holds a plug cock for drawing liquid.

锥形管，打入酒桶的孔中。

• 外端装有旋塞，用于放出桶内液体。