Fractometer
[化]色层分离仪
🗣️ 情景例句
I have a ticket, I know.
我知道我有车票。
Great talkers are little doers.
人好说大话，并非实干家。
Mr and Mrs Shute were very sad. But what could they do?
舒特先生和夫人非常难过。但他们有什么办法呢？