Electronfractography
断口电子显微镜检验
🗣️ 情景例句
Robbie, will you help me serve? Robbie
你能帮帮我吗？
Silence is more eloquent than words.
沈默是更有说服力的言词。
You look nice in your new shirt.
你穿这件新衬衫挺好看的。