Dioptoscopy
[医] 检眼镜屈光检查
🗣️ 情景例句
Hello, ... speaking. Who do you wish to speak to?
喂， 我是……你想找谁？
Keep it down!
别闹了！
riding on its air cushion over a single rail, which it never touches,at speeds up to 300 m.p.h.----the possibilities appear unlimited.
靠气垫在单轨上行驶而不接触轨道，时速可达每小时300英里。气垫船的前途是不可限量的。