Backsiphonage
反虹吸
🗣️ 情景例句
Don't walk on the grass or you'll be in trouble with the law.
不要踏进草地，不然的话法律会找你麻烦的。
Which side do you favor?
你支持哪一边？
Three million people watched as the ashes of this great man were gently poured into the brown waters of the river that would carry them to the ocean.
还有300万人守望着这位伟人的骨灰缓缓撒入褐以的恒河，河水把他的骨灰送向大海。