Hexadecene
[化] 十六碳烯
🗣️ 情景例句
first thing in the morning.
这是我明天早上的第一件事。
The wolf may lose his teeth, but never his nature.
江山易改，本性难易。
who has beenworking or worrying about serious things for six days,
为严肃的公务操劳或烦恼了6天的