可数：apple,orange,pear,peach,banana,lemon,grape,cake,sandwich,cucumber,potato,tomato,eggplant,egg,dumpling,cherry,pumpkon,carrot,peanut,onion,bean,cabbage,celery,ginger,plum,litchi,mango
不可数：bread,milk,rice,water,meat,beef,pork,mutton,noodle,cola
bread,butter,cheese,chocolate,coffee,orange juice,ice-cream,ice,cream,yogurt,tea,