Mesenterin
肠膜菌素
🗣️ 情景例句
Going away to college for the first time
第一次离家上大学，
I'll need an economy ticket with an open return.
我要一张经济舱，回来时间不定的来回票。
Before long, biscuits of all shapes and sizes began arriving at the factory.
不久，形状各异，大小不一的饼干陆续送到工厂。