Physeteric acid
[化] 抹香鲸酸; 5-十四烯酸; 5-十四碳烯酸
🧩 词语组成解析
🗣️ 情景例句
Good. Do you have any back or knee problems?
好。你的背部和膝关节有什么毛病吗
Dinner is on me.
晚饭我请客。
None of us is afraid of difficulties.
我们当中没有一个人害怕困难。