Oleorefractometer
油折射计
🗣️ 情景例句
I don't like to travel during the holiday season.
我不喜欢在放假的季节去旅游。
For one thing,I've got to drop by the bank to get some money.
首先，我得去银行取一些钱。
he could no get his arm out.
他的胳膊反倒退不出来了。