短語詞組短語Both teaching and learning 教學(xué)相長both life and death 我可以向死亡挑戰(zhàn)Both lock and key 包括鑰匙和鎖Both polite and helpful 既有禮貌又樂于助人Both courteous and helpful 既有禮貌又樂于助人Both Container and Server 服務(wù)器both writing and apeaking 教中文Both Pouring and Expressing 不朽文叢both productive and restrictive 把握權(quán)力的多維性 返回 both and