Sdlc
[计] 同步数据链路控制规程
🗣️ 情景例句
The first chopsticks were made from bone and jade.
第一批筷子是骨头或玉制成的。
I ask him to stay at home.
我要求他待在家里。
How do you know so much about it? Have you seen the film?
你怎么知道那么多情况？你已经看过这部电影了吗？