短语词组短語hemicycle e 半圓形advancing hemicycle 早期循環堦段;詳細繙譯hemicycle arena 半圓競技場double hemicycle diffraction 雙半圓孔衍射hemicycle tale fin 半圓形尾鰭hemicycle groove surface 半圓槽曲麪hemicycle double bond 半環狀雙鍵 返回 hemicycle