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
His appearance is impressive.
他的外表给人印象深刻。
You've changed little.
你一点也没变。
Look at Mr Thin. He was poor. He didn't have much money.
瞧瘦先生。他很穷。他没有很多钱。