名词
中文翻译：三十
同义词：
['twenty', 'thirty-one', 'thirty-two', 'thirty-three', 'thirty-four', 'thirty-five', 'thirty-six', 'thirty-seven', 'thirty-eight', 'thirty-nine', 'forty', 'fifty', 'sixty', 'seventy', 'eighty', 'ninety']
例句：
-
1. There are thirty students in my class.
我班有三十名学生。
-
2. I have thirty books on my shelf.
我的书架上有三十本书。
-
3. She counted out thirty cents from her wallet.
她从钱包里数出了三十美分。