Nonadecanoic acid
[化] 十九酸; 十九烷酸
🧩 词语组成解析
🗣️ 情景例句
The reviews were all right; it was the best performance I have ever seen.
那些评论写得很对，是我所见过表现最好的一次表演。
When did you get up yesterday morning?
你昨天早上几点起床？
I am sure that, without modern weapons,
我断定，如果没有现代化的武器，