Butanedioic acid
[化] 丁二酸; 琥珀酸
🧩 词语组成解析
🗣️ 情景例句
but you've left out street performance. The mimes.
但你忽略了街头表演。幽默剧演员啦，
Did you have a good day today?
你今天过得好吗？
I think we need to discuss the fifth clause.
我想第5条需要讨论一下。