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
Tom, is that you?
汤姆，是你吗？
The thread breaks where it is weakest.
线断常在最细处。
One day, the man downstairs went to talk to the man. He went upstairs and knocked the door.
一天，楼下人去找楼上人谈谈。 他上楼敲门。