adj. 双的;两倍的;两面派的;双人用的;
vt. 使加倍;把…对折;重复;
vi. 加倍,加倍努力;快步走;
adv. 两倍地;双重地;
n. 两倍;双精度型;
doub二,双+le反复 → 反复两倍 → 翻倍
🗣️ 情景例句
Why, I didn't know that your grandfather was born in Germany.
你看 我竟然不知道您的爷爷出生在德国。
By accident Marion overheard some nasty gossip.
马里恩偶然听到了一些令人不愉快的谣言。
Neither was I surprise when the train stopped at Widley, a tiny station a few miles along the line.Even a mighty express train can be held up by signals.