Undecalactone
十一(碳)烷酸内酯
🗣️ 情景例句
His job provides a very handsome salary.
他工作的薪酬十分可观。
All things are difficult before they are easy.
凡事必先难后易。
The tent was full of water! They all leapt out of their sleeping bags and hurried outside.
原来帐篷里到处都是水！他们全都跳出睡袋，跑到外面。