Acetylenedinitrile
乙炔二氰, 丁炔二腈
🗣️ 情景例句
Thank you. I appreciate your help.
谢谢！很感谢你的帮助。
Do you work near the church?
你在教堂附近工作吗？?
Goodness me! Six zeros! I've never seen anything like this before.
天啊！带六个零的大钞！我还从来没有见过这样大的钞票。