名词 four:
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the cardinal number that is the sum of three and one
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a playing card or domino or die whose upward face shows four pips
- The baby was crawling about on all fours.
婴儿那时正在满处爬。
- Group together in fours!
每四人一组!
- The baby often crawls on all fours.
婴儿经常爬行。
- The drawing is on all fours with the scene at that moment.
那幅画和当时的景象完全一致。