Tryptose
胰蛋白
🗣️ 情景例句
Good. Thank you. I'll be right down.
好，谢谢你。我马上下来。
If I were in you shoes.
如果我站在你的立场。
The firm closed down because there wasn't enough demand for its product.
工厂关门了，因为产品供过于求。