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
The news was announced to the public on TV.
这则消息经由电视向大众宣布。
Her life was devoted to caring for the sick and needy.
她一生致力于照顾病人和穷人。
He became mortally ill a few months before we had planned to go and,
就在他计划回国的前几个月，他突然身患绝症。