Effective porosity
[化] 有效空隙率\\n[经] 实际(有效)空隙率
🧩 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
n. 多孔性, 有孔性\\n[计] 多孔性
🗣️ 情景例句
And this gentleman is my grandfather, Malcolm Stewart.
这位绅士是我祖父Malcolm Stewart。
It's half past nine.
现在是九点半。
It has been estimated that the weight of all the insects destroyed by spiders in Britain in one year would be greater than the total weight of all the human beings in the country.
据估计，在英国蜘蛛一年里所消灭昆虫的重量超过这个国家人口的总重量。