| 英语单词 | circumference |
|---|---|
| 英美音标 | 英 [sə'kʌmfərəns] 美 [sər'kʌmfərəns] |
| 中文释义 | n.圆周;周围;周长 |
| 英语例句 | (1) That point falls on the circumference of the circle. (2) He went jogging around the circumference of the reservoir every morning. (3) This tree has a circumference of 6 feet. (4) The circumference of the earth is almost 25,000 miles. |
| 中文例句 | (1) 那一个点落在这圆的圆周线上。 (2) 他每天早晨绕着水库周围慢跑。 (3) 这棵树周长六英尺。 (4) 地球的圆周长约为两万五千英里。 |
| vocabulary简明 | The distance around a circle is called the circumference, and although circumference is often used when talking about round things, it can mean a boundary of any shape that completely surrounds something. |
| vocabulary扩展 | It’s no coincidence that the first part of circumference looks like circle. The Latin word circum means “around,” and the root ferre is the Latin verb for “carry,” so imagine carrying a puppy around a circle pit of lava: the path you walk is the circumference. If you want to buy a new hat, you’ll need to measure the circumference of your head, and patrolling the circumference of your castle is a good way to protect against dragons. |
| 柯林斯解释 | 1 [N-UNCOUNT 不可数名词](圆、地方、圆状物的)周长 The circumference of a circle, place, or round object is the distance around its edge.
2 [N-UNCOUNT 不可数名词](圆、地方、圆状物的)边缘,周缘 The circumference of a circle, place, or round object is its edge.
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