Dodecene
[化] 十二碳烯
🗣️ 情景例句
Exploring outer space is a challenge to mankind.
探索外层空间是一项向人类发出的挑战。
Congratulations on the completion and opening of a new Beijing branch!
祝贺美国银行北京分行的建成和开业！
No one noticed the boy as he crept off.
当男孩从船里爬出来时，谁也没有发现他。