Mesonorm
中带标准矿物
🗣️ 情景例句
I major in English and minor in French.
我主修英语，副修法语。
That's a beautiful leather wallet,but it costs too much.
那是一个美丽的皮革钱包，但是它太贵了。
Yes, you need to get some underwater plants.
是的，你还需要弄一些水下植物。