biological crust的用法和樣例：
例句
- The microbiotic soil crust could create the microenvironment that was suitable for plant growth on the abominable environmental condition and unstable soil.
在風(fēng)蝕環(huán)境條件和不穩定的土壤條件下，生物結皮的出現可創(chuàng )造適合植物生長(cháng)的微環(huán)境，為植物的生長(cháng)提供了條件。
