相关单词同義詞clearance height, overhead clearance, 近義詞 clearance 清除, headway 前進臨近詞headset, headquarter, headroom of flight, headroom over aisle相似詞headphones, headquarter, headquarters, headrest, heads I win, tails you lose idiom, heads or tails? idiom, heads will roll! idiom, heads-up, 返回 headroom