doubling (-over) test

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doubling (-over) test的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 doubling:

1. increase by a factor of two

2. raising the stakes in a card game by a factor of 2

动词 double:

1. increase twofold

2. hit a two-base hit

3. bend over or curl up, usually with laughter or pain

4. do double duty; serve two purposes or have two functions

5. bridge: make a demand for (a card or suit)

6. make or do or perform again