周长

Beijing is the national railway circular railway test center ring test site, was built in 1958, the circumference of nine kilometers, is the only China and the Asian Railway Comprehensive test base.

北京环形铁路是国家铁路试验中心环形试验场，建于1958年，周长9公里，是中国乃至亚洲惟一的铁路综合试验基地。

The arm circumference of normal children between 1 and 5 years of age changes very little.

普通儿童的手臂周长在1至5岁间变化很小。

The circumference of the earth is 24901 miles.

地球的周长是24901英里。

More than 80 percent of the women had a reduction in the circumference of their upper and lower thighs.

在使用乳膏的妇女中，超过80％的受试妇女大腿上部和下部的周长都减少了。

The circumference of the ball is about 100 centimeters.

这个球的圆周长是100厘米。

It has a circumference of 15 feet (about 4.5 m).

这只南瓜周长为15英尺（月4.5米）。

Now, let's figure the circumference of this pizza.

现在让我们来计算这个披萨的周长。

To understand angles and circumference, let's look at something we can all relate to. Pizza.

为了更好地理解角度和周长，我们来看跟我们密切相关的东西，披萨。

The Ancient City Wall: The majestic circumvallation is the most spectacular place of interest in Xian. The city wall has a history of 1,400 years since the Sui and Tang dynasties.

古城墙：西安城墙位于西安市中心区，是明代初年在唐长安城的皇城基础上建筑起来的，呈长方形，墙高12米，底宽18米，顶宽15米，东墙长2590米，西墙长2631.2米，南墙长3441.6米，北墙长3241米，总周长13.74 公里。

No, surely they couldn't be cocking a snook at the girth of some well-endowed teachers.

不，他们肯定不能焦化一snook在周长的一些著名赋予教师。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。