A final layer of dry plant material shall be added to the waste/compost to protect it from direct rainwater contact while it decomposes.

同时要把干燥的植物覆盖在粪便或堆肥物的表层，这样可以避免分解过程中的猪粪与雨水接触。

youdao

"A liquid water layer or pocket in contact with the rock, which is deep below Enceladus' surface, will acquire sodium from the rock - essentially leaching the rock," he says.

“这些液体水深藏在土卫二的地壳内部中的岩石中，并逐渐通过过滤作用从岩石内部获得钠元素。”Lunine说。

youdao

In that case you will contact with more people on advanced layer , also go for a tip in more gorgeous place, and receive a baseball hat simultaneously.

在那里，你将会遇到来自更多高级社会阶层的人士，还有机会去更优美的地方旅游，收到更漂亮的棒球帽。

youdao

In the most concentrated areas, he says, it could be compared to products you would clean your kitchen with, causing dry or cracked skin, or - in cases of prolonged contact - it can "lift off the top layer of your skin".

BBC: How toxic is Hungary's red sludge?