Maleoyl
马来酰基，顺丁烯二酰基
🗣️ 情景例句
once you get to know them.
一旦认识了周围的人以后。
Do you have any friends?
你有朋友吗？
'Have you anything to declare?' he asked, looking me in the eye.
“您有什么需要申报的吗？”他直盯着我的眼睛问。