Osa
[计] 开放系统体系结构
🗣️ 情景例句
Building a nuclear power plant now would not be doing the environment any favors.
建核电站对于环境没有什么好处。
What is the gate number?
登机门是几号？
This is a good photograph.Who are these people?
这是一张很好的照片。这些人是谁。