regulate

The dam regulates the flow of water into the river.大坝调节流入河流的水量。

The thermostat regulates the room's temperature. = The room's temperature is regulated by the thermostat.恒温器自动调节房间的温度。

We need better laws to regulate the content of the Internet.我们需要更完善的法律来监管互联网内容。

Laws have been made to regulate working conditions.我们制定了多项法律，以监管工作环境。

The government regulates how much lead may be found in our water supply.政府限定了我们自来水中的含铅量。

The department regulates foreign trade.这一部门负责管理对外贸易。