Stnd
abbr. stained 有瑕疵的，有污点的
🗣️ 情景例句
May I see you in my office?
你可以到我的办公室来一下么？
Did you enjoy your flight?
你的飞行旅途愉快吗？
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。