🧩 词语组成解析
石柯属
🗣️ 情景例句
This is very helpful, Mrs. Martinelli.
这样很有用， Martinelli太太。
Did you go to the theater this morning?
你今早去戏院了吗？
Lucy and I go to school six days a week.
鲁茜和我每周上六天课。