chelsea clinton, the only child of bill and hillary clinton, was 12 years old when her father was elected president.
切尔西·克林顿是比尔和希拉里唯一的孩子,当她的父亲被选为总统的时候她才12岁。
the hotline director says she knows one girl who has had 13 abortions and another who was only 13 years old when she got pregnant.
这位热线电话负责人说,她认识一个已经堕胎13次的女孩,还有另一位在年仅13岁时就怀孕了的女生。
you have to remember the picture is almost 500 years old so it is not as sharp and clear as when first painted.
我们必须记住这幅画已经将近有500年的历史了,所以它已没有刚绘完时那样鲜明清晰。
buying everything new: i’m 54 years old and have never owned a new car.
不要总买崭新的东西: 我今年54岁了,还没有拥有过一辆新车。
they range from the very recent to objects hundreds of years old which tell us something about the changing effect of technology on our lives.
它们涵盖了从近代的到数百年之前的物品,都在讲述着有关科技改变影响着我们的生活的故事。
the guidelines, announced last year, suggest aspirin for certain men 45 to 79 years old with elevated heart-disease risk because of factors like cholesterol levels and smoking.
the rock art, which ranges from 15, 000 years old to 50 years old, chronicles aborigine life, including scenes depicting relationships with other cultures.