Effective clearance
[化] 有效间隙
🧩 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
🗣️ 情景例句
This is no small accomplishment.
这是非同小可的成就。
Wise men chanbge their mind, fools never.
聪明人随机应变，愚蠢者固执己见。
The aircraft was able to fly over the endless white plains without difficulty.
飞机可以毫无困难地飞过这片茫茫无际的白色原野！