doubled的中文意思、音标与词形变化

v. 两倍；加倍努力；快步走（double的过去式和过去分词）

v increase twofold v hit a two-base hit v bend over or curl up, usually with laughter or pain v do double duty; serve two purposes or have two functions v bridge: make a demand for (a card or suit) v make or do or perform again s twice as great or many