1.a base hit on which the batter stops safely at second base;
he hit a double to deep centerfield
2.a stand-in for movie stars to perform dangerous stunts;
his first job in Hollywood was as a double for Clark Gable
3.someone who closely resembles a famous person (especially an actor);
he could be Gingrich's double
4.a quantity that is twice as great as another;
36 is the double of 18
5.raising the stakes in a card game by a factor of 2;
I decided his double was a bluff
6.having more than one decidedly dissimilar aspects or qualities;
a double (or dual) role for an actor
7.consisting of or involving two parts or components usually in pairs;
an egg with a double yolk
8.twice as great or many;
ate a double portion
9.used of flowers having more than the usual number of petals in crowded or overlapping arrangements;
double chrysanthemums have many rows of petals and are usually spherical or hemispherical
10.used of homologous chromosomes associated in pairs in synapsis
11.large enough for two;
a double bed
12.having two meanings with intent to deceive;
a sly double meaning
13.downward and forward;
he was bent double with pain
14.two together;
some people sleep better double
15.to double the degree;
she was doubly rewarded
1.increase twofold;
The population doubled within 50 years
2.hit a two-base hit
3.bend over or curl up, usually with laughter or pain;
He doubled and vomited violently
4.do double duty; serve two purposes or have two functions;
She doubles as his wife and secretary
5.bridge: make a demand for (a card or suit)
6.make or do or perform again;
He could never replicate his brilliant performance of the magic trick
單詞 形容詞a. [Z] 1.兩倍的;加倍的 2.雙的;成雙的;雙層的 3.兩人用的,雙人的 副詞ad. 1.雙倍地;加倍地 2.雙重地 名詞n. 1.兩倍錛埵蛄匡級(jí),加倍[C][U] 2.酷似的人[C] 3.替角演員;替身[C] 及物動(dòng)詞vt. 1.使加倍;是。..的兩倍 2.把。..對(duì)折[(+back/over)];握緊錛埲鳳級(jí) 不及物動(dòng)詞vi. 1.變成兩倍;增加一倍double數(shù)據(jù)類型 Double(雙精度浮點(diǎn)型)是計(jì)算機(jī)使用的一種資料型別。比起單精度浮點(diǎn)數(shù)(float),Double(雙精度浮