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
It's true. You are in great shape.
这是真的。你的身体很好。
Let the dead bury the dead.
往事不重提。
Imagine their surprise and delight when they broke open the packing cases and found that the fourth engine was sweet as honey -- still in perfect condition.