Paracyanogen
仲氰, 多聚氰
🗣️ 情景例句
Well, why don't you tell us about that, Michelle?
那好，能否给我们讲一讲 Michelle？
Thank you, if it's not too much trouble.
谢谢了，如果不是太麻烦的话。
I had a letter from my sister yesterday.
昨天我收到了姐姐的一封信，