v. let out
misc. dropt
我们必须把发动机里的机油全部放掉。
We had to drain the oil out of the engine.
《牛津词典》
她拔起塞子放掉了水。
She pulled out the plug and let the water drain away.
我们应该放掉锅炉里的蒸气。
We should let the steam off the boiler.
youdao
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