Nightsight
（装在枪上的）夜间瞄准具
🗣️ 情景例句
What are you so upset about?
什么使你如此难过？
I would like to call a carpenter to come this afternoon.
我要叫一个木匠今天下午来。
You must weigh it carefully.
你必须仔细地称一称重量。