Specific area
[化] 比表面积
🧩 词语组成解析
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
🗣️ 情景例句
Remember that wonderful little balcony
还记得那个美妙小阳台，
You'd better go at once, hadn't you?
你最好马上走，不对吗？
You must keep it a secret. You mustn't tell anybody else.
你必须保密，谁都不能讲。