1·Incorporating organic material into chalky soils will reduce the alkalinity.
将有机物质掺入白垩质土壤中将会降低碱性。
—— 《柯林斯英汉双解大词典》
2·What's more, although I was getting an adequate amount of calories, it was hard to convince myself that the chalky substance I just drank was dinner.
更难的是，虽然我正获取的是合适分量的卡路里，却很难让我自己相信这种我刚喝下去的白垩色物质就是我的正餐了。
3·It was cooked up by the ancient Romans, who ordered all of the empire's conquered peoples to buy chalky heart-shaped candies covered with flirty Latin phrases or face the punishment of crucifixion.
它由古罗马人一手炮制。罗马人命令所有被征服的民众要嘛购买白垩的心形糖果，在糖果上包裹轻浮的拉丁习语，要嘛接受严厉的惩罚。
4·The chalky scales that cover coccolithophores color the water milky white or bright blue.
覆盖白垩表的颗石藻将水面染成乳白色或者浅蓝色。
5·High rates of evaporation deposit thick layers of salt minerals, such as common table salt and gypsum (a chalky mineral that is a major component of wallboard).
极高的蒸发率使厚实的盐矿逐渐沉积，包括食用盐和石膏层(一种白垩矿，是墙板壁的主要成分)。