Oleorefractometer
油折射計
??? 情景例句
We have closely connected with firms in USA.
我們同美國有良好的業務關系。
I'll rub your back with this brush.
我用這把刷子刷你的后背。
Jim looks at Li Lei's apples. Oh! he says.
吉姆看看李壘的蘋果。“噢！”他說