Birefringencemeter
双折射检查仪
🗣️ 情景例句
the American Society for the Prevention of Cruelty to Animals.
美国禁止虐待动物协会。
The homework took me a whole day.
做家庭作业花了我一整天的时间。
I caught the last bus.
我赶上了最后一班车。