如何使用 "circumference" 造句

1. That number includes only islands with a circumference of at least 100 meters , or yards .
这个数字只包括周长至少100米或100码的岛屿。
2. When would I ever need to compute the circumference of a circle ?
我几时曾需要计算圆周长了?
3. The area was once enclosed by a city wall that was 10m high and five kilometres in circumference , built in 1555 and torn down in 1911 .
这个区域曾经被高10米,周长达5公里的城墙所包围,城墙建于1555年,拆毁于1911年。
4. He then estimated the distance between the two locations and multiplied by 50 to derive the circumference .
然后他估算出两地间的距离,再乘上50便是地球的周长。
5. The physics of the small requires big machines : the lhc is a ring with a circumference of 27km ( 17 miles ) .
微观世界物理需要大型机器:lhc是个周长27公里(17英里)圆环状装置。