The answer is to slow the rate of the toilet flush so that the effect is minimized.

解决办法是减少冲厕次数来减小这个连锁效应。

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Some toilet flush handles also had bacteria comparable to what was found on the floor.

一些马桶的冲水把手上也有和在地面上发现的相类似的细菌。

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He heard the flush of a toilet.

他听到马桶的冲水声。

《柯林斯英汉双解大词典》

WaterSense-equivalent fixtures reduce toilet flush rates by 20% and urinal flush rates by 50%.

FORBES: GSA Goes Deep Green With Next-Gen Green Leasing Standards

Engineers like to point out that it takes just one-and-a-half gallons of water--one toilet flush--to create enough hydrogen for an average day's driving, 30 miles.

FORBES: Magazine Article

But who needs a flush toilet when you have wild open yak pastures and alpine meadows?

BBC: Give me a home where the snow leopards roam