Optical shutter
[计] 光闸
🧩 词语组成解析
🗣️ 情景例句
I did both with Richard and Susan,
有Richard和Susan时我这样做，
What kind of climate do you haved?Is it mild?
你喜欢什么样的气候?它是温和的吗？
Though these large machines still exist, many of their functions have been taken over by small powerful personal computers, commonly known as PCs.
虽然这种大计算机仍然存在，但它们的许多功能已被体积小但功能齐全的个人电脑——即我们常说的PC机——所代替了。