Lactone
n. [化] 内酯
🗣️ 情景例句
How do you spend your leisure time?
你是怎样打发业余时间的？
Open your eyes!
眼睛放亮一点！
Plumtree-that's a small village not far from Sydney. What about you? You're from England, aren't you?
普拉姆特里--那是个离悉尼不远的小村庄。你呢？你是英国人，对吗？