Piperonyl
[化] 胡椒基; 3,4-亚甲二氧苄基; 3,4-亚甲二氧苯甲基
🗣️ 情景例句
I remember.
我记起来啦。
I bought it at half price.
我花了半价买来的。
It now came straight towards them at tremendous speed.
它现在正以惊人的速度直冲他们驶来。