?? 詞語組成解析
permanent
['p?m?n?nt]
adj. 永久（性）的，永恒的，不變的，耐久的，持久的，經久的;穩定的;常務的，常設的;
n. 電燙發，燙發;
per貫穿，自始至終+man拿住+ent形容詞后綴→永久拿住→永恒的
??? 情景例句
When did the Roman Empire come into being?
羅馬帝國是什么時候形成的？
The whole thing was held up about half an hour.
整個事情耽擱了約半小時。
or, to be more accurate, we can think only a very little way outside,
我們只能稍微離開一點兒，