美 [flʌʃ ɪt]
冲洗它：指将某物冲洗干净，通常用于马桶、水槽等需要清洁的物品。
... on在 ... 之上 flush it失败(对某事表示不相信)... flunk（使）失败 ...
Write all data to the crypto stream and flush it.
写的所有数据流的加密和刷新它。
Please disconnect the pipe ends and flush it with water.
管路末端要拆下来并且用水把里面的垃圾冲干净。
Put it in the trash, bury it or even flush it down your own toilet?
扔到垃圾桶，埋掉或者甚至用马桶冲走吗？
Even if your doctor could get the drug directly into the bladder, you would naturally flush it out within a few hours.
FORBES: TARIS Biomedical Keeps Delivering Drugs Direct-to-the-Bladder
If the industry had employed some of these principles earlier, back when it had flush margins, it might have been able to invest in innovations that could sustain better journalism today.
Unless you are particularly flush, it is probably best to skip this bit: the massages are brief and often lack finesse, and the oils are hardly deluxe.