Sdlc
[计] 同步数据链路控制规程
🗣️ 情景例句
Oh no! It's five thirty.
哎呀 已经五点半了。
What's been the consumer reaction to your product?
消费者对你们的产品有过什么反映？
He was very healthy and happy, but he could not look after himself.
他很健康，非常欢快。但不能照料自己。