Rogascope
测金属线裂纹或直径的电磁器
🗣️ 情景例句
using as many letters as possible.
尽可能多用字母，
I'm sorry. I meant to ask you.
对不起。我本想问你的。
At this time, the man downstairs was trying to sleep.
这时楼下人正试图入睡。