Kras
n. 喀斯特（岩溶地貌）
🗣️ 情景例句
Fruit is good or your health.
水果有益健康。
Old bees yield no honey.
老蜂不酿蜜。
Recently the New York Animal Medical Center made a study of 132 cats over a period of five months.
最近，纽约动物医疗中心对132只猫进行了为期5个月的综合研究。