Birefringencemeter
双折射检查仪
🗣️ 情景例句
I'm sorry I'm so late.
对不起 我迟到了这么久。
Wealth is not his who has it, but his who enjoys it.
财富并不属于拥有的人，而是属于享用的人。
They don't often have a bad day this year.
他们今年的运气还不错。