Optical subsytem
[计] 光学子系统
🧩 词语组成解析
🗣️ 情景例句
She can't sit around and do nothing.
她总不能闲坐着无所事事呀。
A bad custom is like a good cake, better broken than kept.
坏习惯像鲜馅饼，分食要比保存好。
Here it is, Mom! That's one thing I haven't forgotten today!
“在这里，妈妈！这是我今天没有忘记的一件事。”