diet v.________ 节食_______________ 2. protect n.__________ adj.__________ 3. balance v._________ n.__________ adj._______________ 保持平衡_______________________ 失去平衡_______________________ 平衡的膳食______________________
diet
be/go on a diet
protection
protective
balance
balance
balanced
keep one’s balance
lose one’s balance
balanced diet