jiē / fà / hòu / xū / yào / rèn / zhēn / hù / lǐ / fǒu / zé / fà / sī / hěn / róng / yì / dǎ / jié接发后需要认真护理,否则发丝很容易打结。Hair extensions require careful maintenance, or the strands can easily become tangled.