noun 下载 🔗分享 半圆,半圆形。 Half of a circle. Examples : "The pizza cutter made a perfect semicircle across the pie. " 披萨刀在馅饼上切出了一个完美的半圆形。 math part 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 量角器, 半圆仪 An instrument for measuring angles. Examples : "The student used the semicircle to carefully measure the angle of the triangle in her geometry assignment. " 学生用量角器,小心地测量了她几何作业里三角形的角度。 math device 与AI对话词汇游戏阅读练习