Sasd
结构化分析和结构化设计
🗣️ 情景例句
Sunrises. Stretch it out. Flat back.
双手捧日。尽量伸展。平背拉回。
If Grade A is not available, Grade B will do.
如果一等品无货，二等品也可以。
Well, I haven't got much either!
唉，我也不多了。