Errors of refraction
[医] 折射不正, 屈光不正
🧩 词语组成解析
n. 误差；错误；差错（error的复数）
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Thanks.
谢谢。
How often did I tell you to speak clearly?
我告诉你多少次要讲清楚?
The next morning the whole family trooped in to watch the performance.
第二天早晨全家人结队来到起居室看我表演。