Mercapt
[建] 巯基
🗣️ 情景例句
He ventured upon an enterprise.
他大胆地开始了他的事业。
What is the total circulation of this weekly magazine.
这家周刊总发行量多少？
It took a very long time to carve a page for a book.
刻一页书要花费的时间太长。