Photoisolator
[電子]光隔離器
??? 情景例句
She won the first place in a speech contest.
她在演講比賽中獲得很第一名。
I got caught in traffic, otherwise I would have been here sooner.
我遇到交通阻塞，否則我很快就到這了。
it cannot judge distances, depths.
不會判斷距離和深度。