bleed

她的膝盖擦伤后开始流血。

Her knee started to ___bleed after it got scraped.

在更换暖气片之前，我们需要先放掉系统中的水。

Before replacing the radiator, we need to ___bleed the water from the system.

小心那件红色毛衣，它可能会掉色并弄坏你的其他衣服。

Be careful with that red sweater; it might ___bleed and ruin your other clothes.