Polypedon
(土壤)多立体剖面
🗣️ 情景例句
Then there's hope for Robbie.
看来Robbie 还有希望。
Do you think the doctor could see me tomorrow before 9:30?
你看医生在明天9:30前能给我看病吗？
Bison waste no longer fell on the ground to improve the soil, which as a result became less good for growing plants.
地上不再有野牛的粪便来改良土壤，结果对于植物生长土壤变得不够肥沃了。