Tridecylene
十三(碳)烯
🗣️ 情景例句
for the repainting of the interior of the building
用来重新粉刷内部
He is playing on the see-saw in the yard.
他正在院子里玩跷跷板。
They are often more industrious, useful citizens than those who are never late.
他们与那些从不迟到的人相比，常常是更勤奋有用的公民。