1·This led to the construction of earthen or stone steps, arranging the audience into a semicircle in front of the speaker.
这导致了泥土阶或石阶的建构，安排观众们面对讲演者坐成一个半圆形。
2·An air bubble ascending from the ocean floor contorts and twists into a semicircle as a wave breaks in the background.
当波浪在背景中破碎时，从海底升起的气泡扭曲成半圆形。
3·An air bubble ascending from the ocean floor contorts and twists into a semicircle as a wave breaks in the background.
当波浪在背景中破碎时，从海底升起的气泡扭曲成半圆形。
4·It's called the Ring of Fire, a semicircle of violently shifting plates and volcanoes that runs along the edges of the Pacific Ocean.
这里被称为火圈带，一个由剧烈移动的板块和火山组成的半圆形区域，分布在太平洋沿岸。
5·But when the sun, the South there is a semicircle.
可是艳阳的时候，南方出现了一个半圆形。
1·An air bubble ascending from the ocean floor contorts and twists into a semicircle as a wave breaks in the background. Captured as part of the Underwater Project.
一个气泡从大洋下曲折上升，在背景中形成一个半圆。该图作为水下项目的一部分而拍摄。
2·This is not the shape of semicircle of nutritious health problems?
没有这半圆的形状的人的健康有营养问题吗？
3·And follow north gradually a mini geography in the gate became a ring of encirclement of semicircle and loosened south city gate, at north gate, east door and west the door all station battalion.
并且逐渐顺着北门一点点地形成了一个半圆的包围圈，放开了南城门，在北门，东门和西门都驻扎下大军。
4·Observation eyepiece consists of concave mirror and a separate gate is formed, in the eyepiece can be seen at the same time the two semicircle color, its left for the sample color.
观察目镜由凹镜和分隔栅组成，在目镜中可同时看到二个半圆色，其左边的为试样颜色。
5·Compared comprehensively, enclosed supports are better than non-enclosed supports; supports of square annular shape or "u" shape are better than supports of semicircle arch.
综合比较来看，封闭式支架要优于不封闭支架；马蹄形或方环形支架要比半圆拱等支护形式好。