ADJ Something that is semicircular has the shape of half a circle. 半圆形的
...a semicircular amphitheatre.
...一个半圆形露天竞技场。
The redesigned square now features a colorful modern art screen, public toilets, lighted pathways and semi-circular seating that forms a public amphitheater/performance space.
经过改造的广场上悬挂了色彩浓烈的现代艺术屏幕，公共洗手间，带灯的人行通道和半圆形座椅，构成了一个露天的表演空间。
In a dusty field in Kitui, eastern Kenya, farmers are being taught how to construct small, semi-circular barriers of earth that control the flow of water, slowing its run-off.
在肯尼亚东部的基图伊，尘土弥漫的田地里，农民们正学着建造小型的环形土坝，以此控制水量、减缓水分流失。
The arches and semi-circular steps are reminiscent of a city square, with the rooms around looking like buildings.
拱门和半圆形台阶以及周围看起来像建筑的房间让人想起城市广场。
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