Birefringencemeter
双折射检查仪
🗣️ 情景例句
If you had your choice of all the places in the world.
假如你可以选择世界上的任何地方。
I give you my word for it.
对于此事我向你保证。
As a reasonable guess, they might, on an average, be 100 light years away.
据合理推算，外星人离我们平均距离也有100光年之远