5th FREQ #7343 n. 第五（fifth） 别名 5ᵗʰ 释义与例句 adj. 1. Abbreviation of fifth. 词汇关系 形容词 同义词 1 fifth 近义相关 1 ordinal 相关短语 5th grade 5th Cir. 5th wheel 5th wheels 5th grader 5th graders 5th column 5th columns 5th World 5th Amendment 5th day fits fifth wheel 半拖车接轮 Fifth Amendment fifth grade 小五 fifth column n. 第五纵队, 内奸