Acetylic
a. 乙酰基群的
??? 情景例句
Hello, it's good to see you again.
很高興又見到你。
In that regard, at least, we agree.
至少在這個問題上我們是一致的。
and that fool, Horst, aimed a fire extinguisher at me.
但那個傻瓜霍斯特把滅火器對準了我。