Undecyndioic acid
[化] 十一碳炔二酸
🧩 词语组成解析
🗣️ 情景例句
No problem.
没问题。
Don't have thy cloak to make when it begins to rain.
切莫临时抱佛脚。
Once you begin，you must continue.
一旦开始，你就得继续。