Sighthole
n. (测量用仪器等上的)观察孔,检查孔,窥视孔
✅ 同义词
🗣️ 情景例句
Take me to the railway station.
载我到火车站。
It is lost labour to sow where there is no soil.
没有土壤，播种也是徒劳。
We have a showroom in this city.
我们在本市设有一个展示中心。