Photointerrupter
光斩波器
🗣️ 情景例句
I'll think about it and call you back soon, OK?
我考虑一下，回头我尽快打电话给你，好吗？
An idle brain is the devil's workshop.
游手好闲是万恶之源。
CUSTOMS OFFICER: Are you Swedish?
你们是瑞典人吗？