Dipa
[化] 偶氮二甲酸二异丙酯
🗣️ 情景例句
Unless in uniform, he doesn't look like a policeman.
除非穿上制服，要不他看起来不像警察。
Yesterday it rained all day.
昨天整天下雨了。
You are never too old to learn.
活到老，学到老。