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
I've been trying
我一直努力
Living without an aim is like sailing without a compass.
生活没有目标，犹如航海没有罗盘。
Why don't you let me pick it up.
就让我来付帐好了。