Vanillalacetone
亚香草基丙酮
🗣️ 情景例句
As a matter of fact,
事实上，
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年，认为该退休了。
He glared at Bill, ready to teach him a lesson.
他怒视着比尔，准备教训他一顿。