挖掘教学知识点，展示数学的趣味性和奇异美；

Excavation teaching knowledge spot, demonstration mathematics interesting and strange US;

youdao

她不知道奇异效果会变得多么容易，而且这又使得在同一画面里抓取到美与真会有多么困难。

She had no idea how easy exotic effects would get, and just how hard that would make it to capture beauty and truth in the same photograph.

youdao

这个世界的敏捷和明亮的观赏鱼有着奇异的美，而千千万万的人们将继续视它们为一道美丽的风景。 。

The swift, bright fish of this world have a GREat beauty. Millions continue to regard them as a very fine sight.

youdao