Dodecyne
十二(碳)炔
🗣️ 情景例句
Excuse me, Mr. Li. Do you have children, Mr. Li?
打搅了，李先生。您有孩子吗？
He speaks Chinese every day.
他每天都讲汉语。
The meeting was scheduled for two hours, but it is not over yet.
会议原定了两个小时，不过现在还没有结束。