Biarsyl
[化] 聯胂
??? 情景例句
We appreciate your interest in our firm, however, and thank you for writing.
我們感謝你對我們公司表示的興趣，謝謝你的來信。
I'm not really sure.
我不太清楚。
He did not know from which part of Africa his ancestor had come.
他不知道祖先來自非洲的什么地方。