semicircle
UK/'semɪsɜːkl/US/'semi.sә:kl/
C2
Definitions
n.
Half of a circle.
半圆
Root Breakdown
Root-derivedsemi-half, partly
+
circlecircle, ring, around
=semicircle
semi- (half) + circle = half a circle. Fully transparent compound.
Common Collocations
- 1.form a semicircle围成半圆形
- 2.sit in a semicircle坐成半圆形
- 3.draw a semicircle画一个半圆
Example Sentences
- 1.
The students arranged their chairs in a semicircle.
- 2.
A rainbow forms a semicircle in the sky.