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
What's this for?
为什么要送我花？
A vaunter and a liar are near akin.
自诩和说谎，二者正相仿。
In 1858, a French engineer, Aime Thome de Gamond, arrived in England with a plan for a twenty-one-mile tunnel under the English Channel.
1858年，一位名叫埃梅。托梅。德。干蒙的法国工程师带着建造一条长21英里、穿越英吉利海陕的隧道计划到了英国。