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四个一组
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四个一组；四胞胎之一；四人自行车；四个构成的一组；成套的四件
A set of four, particularly
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四个一组
A set of four, particularly
四胞胎之一
One of a group of four, particularly one of four babies born from the same mother during the same birth.
四人自行车
A cycle for carrying four riders, arranged so that all the riders can assist in the propulsion.
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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.