1·Most of its members are the students and teachers of the thirty one colleges.
它的大部分成员是31所学院的学生和教师。
2·One hundred and thirty one sika deer reared in pen were fed with diet containing Cu 3.
为了证明梅花鹿铜缺乏综合征的发生与饲料铜含量的关系，以含铜3。
3·A cup of rice which cost thirty cents a few weeks ago is now being sold for up to one dollar.
几周前价值30美分的1杯米如今卖到了1美元。
—— 《柯林斯英汉双解大词典》
4·There are about thirty-one million blacks in the U.S.
美国大约有三千一百万黑人。
—— 《柯林斯英汉双解大词典》
5·I never imagine that one company could have over thirty audiences to communicate with.
我从来没想过一个公司可以与三十多个受众客户进行沟通。
6·You think your product will appeal most to teachers ages twenty to thirty, so you decide to put your advertisement in their favorite magazine, the one about classroom activities.
你认为你的产品最能吸引20到30岁的老师，所以你决定把你的广告放在他们最喜欢的杂志上，那本关于课堂活动的杂志。
7·Nepal is a small country, and from the windows of our plane floating eastward at 12,000 feet, one can see clearly the brilliant white mirage of the high Himalayas thirty miles off the left window.
尼泊尔是一个小国，从12,000英尺高度上向东飞行的飞机的舷窗望出去，可以清楚地看到左侧窗外30英里外高耸的喜马拉雅山脉明亮的白色海市蜃楼。
8·In America, people are faced with more and more decisions every day, whether it's picking one of thirty-one ice cream flavors, or deciding whether and when to get married.
在美国，人们每天都面临着越来越多的决定，无论是从31种冰淇淋口味中选择一种，还是决定是否结婚和何时结婚。
9·The crown of thorns starfish is large, twenty-five to thirty-five centimeters in diameter, and has seven to twenty-one arms that are covered in spines.
棘冠海星很大，直径长达25到35厘米，有7到21条手臂，上面布满了刺。
10·At the age of thirty-one, Florence went to Germany and learned all about nursing.
三十一岁时，弗洛伦斯去了德国，学习了所有关于护理的知识。