Valerolactone
戊内酯
🗣️ 情景例句
It's not fair, Richard. I'm not even ready.
这样不公平， Richard。我甚至一点准备都没有。
I am ready for whatever comes.
无论发生什么事，我都有准备。
In place of the great trees which had been growing there for centuries patches of green had begun to appear in the blackened soil.
一片片的绿草开始出现在这片烧焦的土地上，代替了多少世纪以来一直生长在那里的参天大树。