Mdf
[计] 主配线板
🗣️ 情景例句
Your real education doesn't start until you get out into the real world.
直到你踏入现实社会，你才真正开始学习。
Will you accept the charge.
你愿意付电话费用吗？
I had traced the cause of the trouble.
因为我找到了毛病所在。