Islower
判断是否小写字母
🗣️ 情景例句
... my slogan is I care.
……我的口号是， 我关心 。
I can recommend their pizza.
那家店的毕节饼值得推荐。
Then he put a piece of cheese in his pocket and went away.
然后把一块乳酪装进衣袋里走了。