Spherical polygon
球面多边形
🧩 词语组成解析
polygon
['pɔligən]
n. 多边形，多角形;龟裂状;
🗣️ 情景例句
What are your weak points?
你的缺点是什么？
The adventure had been planned for quite a while.
那项冒险曾经作了长期的周详计划。
from which can be seen the strata the drill has been cutting through.
从中能看出钻头所钻透的地层。