Valerolactone
戊内酯
🗣️ 情景例句
Hi, Pop. Hi, Son.
你好， 爸。你好 ，儿子。
Poverty is not a shame, but the being ashamed of it is.
贫非耻，耻贫乃耻。
Summer is from December to February, and winter is in June, July and August.
夏天从12月到2月，冬天是在6月、7月和8月。