Ellipsometer
偏振光椭圆率测量仪, 椭率计
🗣️ 情景例句
Never know what?
说不定什么？
I'm short of hands.
我太忙了。
During his lifetime, he acted in 13 films, and he wrote, directed and acted in 69 other films.
他一生演了13部电影，而且自编、自导和自演了另外69部电影。