Piperonyloyl
[化] 胡椒基酰; 3,4-亚甲二氧苯酰; 3,4-亚甲二氧苯甲酰
🗣️ 情景例句
He's not making much progress with his English.
他的英语进步不大。
Who is this?I don't recognize your voice.
你是谁？我听不出你的声音。
Ducks know how to swim when they are born.
鸭子天生会游泳