Nbac
abbr. normal butyl acetate 乙酸（正）丁酯; n-butyl-acetate 正乙酸丁酯; nonbile acid cholephils 非胆汁酸趋胆[性]; National Black Alcoholism Council 全国黑人酒精中毒委员会
🗣️ 情景例句
We couldn't afford it.
我们当时不够钱。
I played magic yesterday.
我昨天在玩魔术。
They represent the prices for different quantities.
那表示不同的量有不同的价钱。