Step4运用与生成( Production) tien.领带(可数) 复数形式:ties pad e.g. I bought a tie for my father yesterday. tie系,捆 e.g. Please tie your shoes.tie n. 领带（可数） 复数形式：ties e.g. I bought a tie for my father yesterday. tie v. 系，捆 e.g. Please tie your shoes. Step 4 运用与生成 (Production)