方圆的英文：
(n) circumference

Square-circular waveguide transformer
方圆波导变换器

His domain extends for 20 miles in every direction.
他的土地方圆20英里。

The beginning and end of strokes are sometimes square and sometimes rounded.
用笔有方有圆，或方圆兼济。

Meantime he has been over all the ground for two yards around
在这段时间里，他走遍了周围两码方圆的地区。

Dance troupes from hundreds of miles away would gather to present their best arts.
方圆百里的会档都来朝山进香，表演各种技艺。

On the mountain there was a huge peach tree whose roots stretched outward, covering an area of 3,000 square kilometers.
山上有一棵大桃树，树根向四周伸开，方圆足有3000多里。

One playwright wrote:"The Earth,as we all know-begins at the kremlin
有一位剧作家曾写道:“众所周知，地大方圆，唯克里姆休为始。

By jingo,there is not a well within five miles of the place.
哎呀！这地方方圆5英里之内竟然没有一口井。

There are farms and cottages scattered all over the moors for miles around, and men come from there
一些农场和农舍散落在方圆几英里内的荒原里，人们就从那里来。

An arc is a part of the circumference of a circle or other curved lines.
弧是圆周或曲线的一部分。

The recruit made the current circulate in the circuit on the circumference.
新兵使电流在周长上在电路内循环。

The ratio of circumference to diameter is approximately 3.1416.
圆周长与直径的比大约是3.1416。

A point equidistant from all points on the circumference of a circle or on the surface of a sphere.
圆心，球心与一圆周上或一球面上所有点等距的一点

Cut the salmon into long strips and wrap it round the circumference of the bread.
把鲑鱼切成长条，缠裹在面包上。