Area of critical definition
[医] 影象清晰区
🧩 词语组成解析
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
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
Keep a small English dictionary with you at all time.
随身携带一本小英文字典。
Where (or While) there is life there is hope.
留得青山在，不怕没柴烧。
You can kill two birds with one stone.
一举两得。