Butyrorefractometer
奶油折射计
🗣️ 情景例句
at this point in our lives?
在这个时候怎么样？
Nothing is difficult to a man who wills.
世上无难事，只怕有心人。
Kate Klarke! I know her. I met her last year. Do give her my regards.
凯特·克拉克！我认识她。我去年见过她。请代我向她问好。