water faucet
水龙头, 水嘴
例句与用法:
The teacher had to water down the course for a slow-learning class.
教师不得不降低课程的要求以迁就慢班的学生。
You have to water down the medicine before drinking it.
你得把这种药加水稀释後再服用。
That is the only way to water down its influence.
这是冲淡它的影响的唯一办法。