Outputstream
输出流
🗣️ 情景例句
and Philip was opening his first medical office.
而Philip则第一次开诊所。
Kept waving to her mother until the train was out of sight.
不断地冲她的母亲挥手，直到火车驶出了视线。
Thanks, Mum.
谢谢，妈妈。