Glutaconic acid
[化] 戊烯二酸
🧩 词语组成解析
🗣️ 情景例句
I know.
我知道。
When the phone rang, I was painting upstairs.
当电话铃响的时候，我在楼上画画。
You must have been mad to speak to the servant! She might have called for help.
你准是疯了，竟跟这个仆人说话。她可能会大喊救命的。