Heneicosanedioic acid
[化] 二十一碳二酸; 二十一碳烷二酸
🧩 词语组成解析
🗣️ 情景例句
You'll be glad to hear that Bill is alive and kicking.
比尔现在精神饱满，你听了一定很高兴。
Silent men, like still waters, are deep and dangerous.
沈默的人像静水一样，深而难测。
I was very glad when the boys won the relay race.
我非常高兴，男同学在接力赛中获胜。