Microdensitometry
微密度测定
🗣️ 情景例句
Good morning. Restaurant Service. May I help you?
早上好，餐厅服务部，能为你效劳吗？
I can't express myself very well in English.
我不能很好地用英语表达自己。
Elephants like to have one master just as dogs do,
大象和狗一样，喜欢有一个专一的主人，