Valoneaic acid dilactone
[化] 橡┥酸二内酯
🧩 词语组成解析
[机] 二内酯
🗣️ 情景例句
With great tact, Lily said that it was time for her to go.
莉莉机智地说她该走了。
Yesterday was Sunday.
昨天是星期日。
It involves a lot of hard work.
那需要很多的辛勤工作。