Effective sectional area
[机] 有效剖面积
🧩 词语组成解析
effective
[ɪ'fɛktɪv]
adj. 有效的;起作用的;实际的，实在的;给人深刻印象;
n. [军]现役兵额，有生力量，精兵;
ef出+fect做，制作 +ive形容词后缀 →做出来的 → 有效的
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
I did drink a lot of coffee when I was younger, But I have noticed the health benefits since I quit.
我在年轻时确实喝过很多咖啡，但我发觉戒了咖啡后身体健康多了。
I think it's going to be a nice day.
我想今天会是一个好天。
You're welcome.
别客气。