Caustics
[化] 焦散线
🗣️ 情景例句
I'm proud of all my grandchildren, Mr. Carlson.
我为我所有的孙子孙女感到骄傲 Carlson先生。
I couldn't help it.
我没办法。
so it will soon be sending up four astronauts to repair it.
为此将把4名宇航员送入太空修复望远镜。