n. 十三；十三岁；十三个
num. 十三
adj. 十三的；十三个的
[
复数
thirteens
]
1.There have been at least thirteen previous attempts to reach the North Pole unaided.
以前至少有十三次尝试独立到达南极的努力。
2.Are you thirteen, then?
那么你是十三岁？
3.What's thirteen plus forty-five?
十三加上四十五等于多少？
4."Thirteen?" he guessed wildly.
“十三？”他胡乱猜道。
5.These thirteen cards are different.
这十三张牌是不同的。
6.I'm thirteen now.
我现在十三岁了。
7.Thirteen years ago she found herself having to conjure a career from thin air.
十三年前她认识到自己得白手起家闯出一番事业来。
8.Thirteen, as we well know, is regarded with great awe and fear.
我们都知道，人们对十三这个数字充满敬畏和恐惧。
9.She was baptized when she was a month old and confirmed when she was thirteen.
她出生一个月时受洗礼，十三岁时受坚信礼。