There is a serious problem of soil erosion in the Loess Plateau.

黄土高原地区存在严重的水土流失问题。

The geologist is studying the detrital mineral in the loess.

地质学家正在研究黄土中的碎屑矿物。

Loess has clear stratification.

黄土具有清晰的层理。

Loess is a special kind of clayed soil.

黄土是一种特殊的粘性土。

Unless loess bones, I keep you free time.

除非黄土白骨，我守你岁月无忧。

Unless loess bones, I keep you years of worry.

缣罤除非黄土白骨，我守你百岁无忧。

Unless loess bones, I keep you years of worry.

谔缡除非黄土白骨，我守你百岁无忧。

The Loess Plateau program is among the most famous.

黄土高原项目在这些里面是最著名的。