Porro prism
普罗棱镜
🧩 词语组成解析
prism
['prɪzəm]
n. 棱镜，棱晶;[数]棱柱体，角柱（体），[物]（结晶）柱;[物]分光光谱，光谱的七色，折光物体;
🗣️ 情景例句
My suggestion would be...
我的建议是……
Do you work near the university?
你在大学附近工作吗？
It seemed as if there was no way out.
看情形似乎没有出路了。