Agathic dica-rboxylic acid
[化] 贝壳杉酸; 玛瑙酸
🧩 词语组成解析
🗣️ 情景例句
He tried to smile.
他设法要微笑。
Every cloud has a silver lining.
山穷水尽疑无路，柳暗花明又一村。
In it there was a boatman fast asleep.
船上有一船夫在呼呼大睡。