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n.尖酸；锋利；辛辣；讥讽
1、tacitness───n.内隐性；隐含性；非文字化
2、tartiness───辛辣
3、starkness───n.严厉；质朴无华；严酷；明显（stark的名词形式）
4、smartness───n.机灵；敏捷；现代风格
5、tardiness───n.缓慢，迟延
6、apartness───n.冷漠；孤独
7、tautness───n.拉紧；紧固度
8、peartness───梨性
9、swartness───草皮
1、tartness of some wines is due to high concentrations of L-malate.───一些酒的酸味是由于L -苹果酸的高浓度。
2、However, some yogurt is heat-treated to extend shelf life or reduce tartness, a process that kills the cultures.───然而，很多酸奶为了延长保质期或降低酸度，都经过了热处理，这个过程会ShaSi这些益生菌。
3、preventing sausage , preserved ham , ham , dried meat floss and beef jerky from greesing and tartness.───腊肠、腊肉、火腿、肉松、牛肉干等肉制品，能防止这些食品的油脂酸败。
4、He could smell the pine, the tartness of nearby tree SAP.───他又嗅到松树和附近树汁尖酸的气味。
5、These acids give the fruits tartness and slow down bacterial spoilage.───这些酸把水果并减缓细菌酸的性质。
6、Were farm workers as lazy as us not to grind sickles to be tartness?───难道农场的工人也和我们一样懒，连镰刀也不磨利点？
7、Whole Stamping, heat treatment, blade special make, tartness and orderliness.───整体冲压，热处理，刃口特殊处理，剪切锋利，剪口整齐。
8、The second day, he ate a round fruit which tasted tartness but felt comfortable with the stomach. Thus he named it "Dark plum" .───第二天，他尝了一种圆果子，只感到嘴里酸酸涩涩的，吃下去之后觉得胃里、肠里舒服了许多。神农氏将它取名为“乌梅”。