Rayleigh test
[医] 雷利氏试验(检红绿色盲)
🧩 词语组成解析
n. 瑞利（姓氏）；雷利（极光和夜天光的发光强度的单位）
🗣️ 情景例句
Both are equally effective.
两者都有效。
I'll do my best.
我将会尽我最大努力。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。