Tetroxide
n. 四氧化物\\n[化] 四氧化物
🗣️ 情景例句
and a decision to make.
而且必须做一个抉择。
It's hard sailing when there is no wind.
没有风难航行。
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。