adjective 下载 🔗分享 半圆形的,弧形的。 In the shape of half of a circle or a semicircle. Examples : "The teacher arranged the desks in a semicircular formation so everyone could see the presentation. " 老师把桌子摆成半圆形,这样每个人都能看到演示。 appearance math 与AI对话词汇游戏阅读练习