Oleorefractometer
油折射计
🗣️ 情景例句
Harry, you didn't turn it down because of me …
Harry你拒绝它该不是因为我……
The whole class is in a heated discussion.
全班同学正在热烈讨论。
'Whatever are you doing up here Bill?' asked the vicar in surprise.
“你究竟在这上面干什么，比尔？”牧师惊讶地问。