Diban
[化] 二碱式硝酸铝
🗣️ 情景例句
Nice talking to you, sir.
我也很高兴与您交谈 ，先生。
No need to discuss!
免谈！
Centuries ago, the word beeline was made to describe this thin line of bees flying through the air.
几百年前，有人用beeline 这个词来描写蜜蜂在空中飞行的细窄路线。