Gastron
胃粘膜素
🗣️ 情景例句
It's the first thing people will see when they come in.
这是人们走进来所看到的第一 件东西。
I'm going shopping because I need to buy some clothes.
我要去购物，因为我需要买一些衣服。
He slept very well for the first two nights,
头两天晚上，他睡得非常好。