✅ 同义词
🗣️ 情景例句
Dean Rafer called me today.
Rafer主任今天打电话给我。
Do you speak English?
你会说英语吗？
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。