Microcharacter
显微划痕硬度计
🗣️ 情景例句
Take heart, we'll find a way out.
振作起来，我们会有办法的。
When you're learning to drive, having a good teacher makes all the difference.
初学驾驶有好的教师指导，差别很大。
Yes, they are.
是的，他们也是。