Lactone
n. [化] 内酯
🗣️ 情景例句
Oh, thank you!
噢， 谢谢你！
Labour is the capital of our working men.
劳动力是劳动人民的资本。
The examiner must have been pleased with my performance, for he smiled and said.'Just one more thing, Mr.Eames.
“埃姆斯先生，只剩1项了。