Sdi
[计] 信息选择传播, 源数据信息, 标准数据接口
🗣️ 情景例句
It was a gradual process, involving many factors.
这是个渐进的过程，涉及到方方面面。
Are you John's brother?
你是约翰的兄弟吗？
Oh good! said Ann. May I put them on, please?
“好啊！”安说，“我可以插上蜡烛了吗？”