Isogonality
等角变换
🗣️ 情景例句
Help! Help! I can't swim!
救命！ 救命！ 我不会游泳
It is not every couple that is a pair.
成双并非皆配偶。
Moondwellers will be able to fly in space at only three percent of the cost of similar journeys by their terrestrial cousins.
月球居民在太空遨游的费用仅是地球上朋友飞越同样路所需费用的3%。