1560s, "not defended, unprotected," from un- (1) "not" + past participle of defend (v.). Attested earlier in a now-obsolete sense of "unforbidden" (late 14c.).
雙語例句
1. The coast was undefended and lay open to attack.
該海岸未設防,易受攻擊.
來自辭典例句
2. The fictitious colonel no longer asserted that the island's north shore was undefended.
那位虛構的上校不再申述該島北岸沒有設防了.
來自辭典例句
3. Bombs and poison gas would rain down on undefended cities.
炸彈毒氣彈紛紛投向那些沒有防御的城市.
來自互聯(lián)網(wǎng)
4. Meanwhile, military satellites are completely undefended and vulnerable to attack.
同時, 軍用衛(wèi)星不但易受攻擊,而且對攻擊毫無抵御能力.
來自互聯(lián)網(wǎng)
5. Americans have a special relationship with Canadians with whom they share the world's longest undefended border.