半圓的英文：
semicircle

參考例句：
  • Semicircular arch
    半圓券
  • Half-round rasp
    半圓(木)銼
  • Cutters for woodruff keyseats
    半圓鍵槽銑刀
  • Convex and concave milling cutters--Part 1: The types and dimensions for concave milling cutters
    凸凹半圓銑刀第1部分:凹半圓銑刀的型式和尺寸
  • I asked my students to sit in a semicircle to listen to the story.
    我讓我的學(xué)生們圍成半圓坐著聽故事。
  • Use cinnamon paint and a liner brush to sketch the face of the sun. Paint yellow rays between the half circles.
    用肉桂色描繪太陽的五官.在半圓見涂上黃色射線.
  • A diaphragm is soft dome that can be inserted into the vagina to cover the cervix before intercourse.
    子宮帽是一個半圓的柔軟膈膜，在性交之前放入陰道，蓋住宮頸部位。
  • A small, circular or crescent-shaped opening in a vaulted roof.
    半圓壁，弧形窗在高高的屋頂上的小的，圓的或新月形的開口
semicircle是什么意思：
n. 半圓；半圓形；半圓形之物
  • They are sitting in a semicircle.
    他們正圍成半圓形坐著。
  • I asked my students to sit in a semicircle to listen to the story.
    我讓我的學(xué)生們圍成半圓坐著聽故事。

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