Ectotheca
外壁
🗣️ 情景例句
I have your bill right here.
您的账单在这里。
While we were having breakfast,John was talking on the telephone.
当我们正在吃早餐时，约翰正在打电话。
The six students put their closed hands in front of them.
6个学生将握紧的手放在前面。