'I was a little nervous about losing the ring,' recalls the property developer, who dropped to one knee inside a cavernous red-brick storm drain.
当时，在一个红砖砌成的暴雨排水洞内，他单膝跪下。他回忆道，“我有点担心会把戒指丢了。”
2
A wintry measure of hard times can be found this holiday season on the knee of white-bearded, red-suited men around the country.
今年的圣诞季，从美国各地白胡子、红衣服的圣诞老人收到的圣诞心愿中，反映出经济困难时期的萧瑟之象。
3
The boy with black eyes, big ears, and long legs fell down, and hurt his knee. He feels sad. A girl with straight, red hair, cut a piece of clothing and bandaged the boy's knee. They feel happy.