Indexometer
[医] 折射指数计
🗣️ 情景例句
from the various generations of future users.
从不同辈份的未来使用者中。
I 'm going to dial the number.
我要拨这个号码。
It has to be tall because it is like a giant block and tackle,
井架必须很高，因为它像一个巨型滑轮组。