Maconite
黑蛭石
🗣️ 情景例句
He's such a workaholic that he doesn't know how to spend his leisure time.
他是个工作狂，以至于不懂得如何打发他的空闲时间。
I wish to express my gratitude to you for your cooperation.
我要对你的合作表达感激之意。
My employer will confirm that I was there on time.'
”