semicircle是什么意思

音标:英 [ˈsemɪˌsɜ:kəl]美 [ˈsɛmɪˌsɜ:kəl]

半圆形

a plane figure with the shape of half a circle

semicircle的用法和例句：

1. Boudica's army have closed it up here with a wagon semicircle.

布狄卡的軍隊則用戰車 在這里圍成了一個半圓

2. I like the ones that are like a semicircle with a hazelnut in the top.

我就喜欢那种 半圆形 顶端有榛子的巧克力

3. We've been increasing our radius mile by mile, spreading in a semicircle around the town.

我们一直在逐步扩大搜索范围 在镇周围拓展出半圆形安全区

4. It's a sort of a ovoid dome, not a semicircle, so that the force of the weight of the blocks, and they are heavy I can tell you, are taken more or less straight down to the ground.

是一种卵形的穹顶 并不是半圆 所以这些雪砖的重量 可以跟你们说 它们真的很沉 或多或少地会垂直作用在地面上