Semimachine
部分机械加工
🗣️ 情景例句
Does this come with a certificate of authenticity?
这有鉴定证明吗？
A lazy youth,a lousy age.
少时懒惰老来苦。
You remember my friend who helped me out?
你还记得曾经帮助我摆脱困境的那位朋友吗？