Indexometer
[医] 折射指数计
🗣️ 情景例句
We've known each other since we were children.
我们从小就认识。
Could you tell me where is the first-aid room?
你能不能告诉我急诊室在哪里？
It kept repeating the steps over and over.
蜜蜂一而再，再而三地重复它的"舞步。