semicircular spectrometer半圆形光谱仪;半圆谱仪
semicircular skirt半圆裙
semicircular error半圆误差
semicircular notch半圆孔板
semicircular conductor半圆形导体;翻译
Semicircular ducts[解剖] 膜半规管
semicircular domain半圆域
semicircular spectroscope半圆形光谱仪
semicircular deviation半圆自差;半圆形偏差;[水运] 半圆偏差
ADJ（形容词） 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。