Alumine
[医] 氧化铝
🗣️ 情景例句
She doesn't know we've changed hotels.
她不知道我们换了旅馆呀。
The master always exacts quality work from his students.
老师常常要求学生们认真踏实的完成功课。
Is it very cold in winter?
冬季的天气很冷吗？