Bdda
abbr. n-苄基双十二烷基胺（n-benzyldidodecylamine n-）
🗣️ 情景例句
I'll be OK.
没什么。
We never know the worth of water till the well is dry.
井干方知水可贵。
It's the same colour.It's green, too.
一样的颜色， 也是绿的。