| 释义 |
navigable semicircle 【航海学、气象学】可航半圆 以上来源于：《21世纪大英汉词典》 navigable semicircle可航半圈；可航半圆navigable semicircle可航半图navigable semicircle可航半圆navigable semicircle可航半圈navigable semicirclen.（名詞 noun）【海】可航半圓(cf. dangerous semicircle)document.write('function myFunct |