Siad
abbr. 中加可持续农业发展项目（The Sustainable Issue of Agricultural Development）；谢菲尔德艺术与设计学院（Sheffield Institute of Art and Design）
🗣️ 情景例句
Do you want a first class, business class or economy seat?
你想要头等舱、商务舱还是经济舱？
I will go for a walk.
我将去散步。
I spent the whole day in my room, but I did not write a single card!
我在房间里关了整整一天。然而竟连一张明信片也没写成！