froKK [fro] /fɹoʊ/发音副词1来回、往返仅用于 to and froThe children ran to and fro between the kitchen and the yard.孩子们在厨房和院子之间来回奔跑。名词1爆炸头、非洲头美式口语,afro 的简称He grew out a huge fro over the summer break.暑假期间他留了一头超大的爆炸头。用这个字练口说→相关片语to and fro