倒流

Can sand flow upward in the hour glass?

在时漏中可曾见过细纱倒流？

It is mandatory to prevent the reverse flow of fire protection system substances, i.e., glycerin wetting agents, stagnant water and water of non-potable quality from being pumped or siphoned into the potable water line.

这种总成强制性防止消防系统流体介质的倒流，如甘油润湿剂，积滞水和非饮用水，防止这些流体介质泵吸或虹吸进饮用水管道。

Sometimes ,we wish we could go back to the time when the only man in our life was our dad,our mom,and any pain could be healed by just a band ald and chocolates.

有时，我们但愿时光倒流，回到父亲是我们生命中唯一的男人的过去，回到母亲是我们唯一的挚友的时代，回到任何疼痛都只需一张创可贴和一点巧克力就可以治愈的岁月。

During the monsoon season the flooded Mekong river reverses the flow of the Tonle Sap river, sending it pouring upstream into the Great Lake.

在雨季，泛滥的湄公河使洞里萨河水倒流，将使逆流入洞里萨湖。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。