Triploblastica
三胚层动物
🗣️ 情景例句
Remember, the Michigan football game?
记得吗，Michigan足球赛？
I often go to bad at night.
我常常在晚上睡觉。
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。