摘要：
Vocabulary focus 核心词汇 She is a receptionist. She answers the phone. She is a cashier She counts money He is a mechanic He fixes cars He is a custodian 阅读全文
摘要：
Words cashier # 收银员 a cashier counts money 收钱 custodian # 清洁工 a custodian cleans buildings 打扫清洁 mechanic # 机械师 a mechanic repairs cars 修车 receptionist 阅读全文