基本解釋[毉葯科學(xué)]半交換時(shí)間詞組短語(yǔ)短語(yǔ)half -time for exchange 交換半數(shù)時(shí)間half-time exchange更多詞組專業(yè)釋義毉葯科學(xué)半交換時(shí)間