Electronfractography
断口电子显微镜检验
🗣️ 情景例句
Yeah, yeah. The biggest. When do I have to let you know?
是的， 是的， 最大的。我什么时候该给你回音？
Cheerful company shortens the miles.
旅有好旅伴，不觉行程远。
Speculations about is nature have been going on for literally thousands of years,
人们对睡眠作用的种种猜测，确实有数千年之久。