Birefraction
双折射
🗣️ 情景例句
You can't do that! it's against the rules.
你不能那么做！ 那是违反规定的。
And I hope you can have a good time tonight.
祝愿你们今晚过得愉快。
and another 700 for the survivors to be reduced by half again.
剩下的一半人再过700年，才会又减少一半。