Nightsight
（装在枪上的）夜间瞄准具
🗣️ 情景例句
I was very sad indeed to hear about it.
听了这件事，我的确非常难过。
We can't recall how often he's written.
我们记不起来他每隔多久写一封信。
If you insist, I will comply with your request.
如果你坚持，我们会遵照你的要求。