Sectional area
[化] 截面积
🧩 词语组成解析
sectional
['sɛkʃənl]
adj. 拼合而成的;局部的;部分（地区）的;断面的;
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
🗣️ 情景例句
He was very hard driven.
他被迫拼命干活。
Take care of small sums and the large will take care of themselves.
省小钱才能积大财。
Can't you hear anything?
你没听见什么吗？