Risley's prism
[医] 里斯利氏棱镜
🧩 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
and tell him we'll see him in a couple of months.
告诉他过几个月我们再去找他。
What youth is used to, age remembers.
青年时经常做的事，老年时却能记得起。
Students specialize in a particular type of practical joke: the hoax.
大学生擅长一种特殊的恶作剧——戏弄人。