Biorthogonality relation
[计] 双正交关系
🧩 词语组成解析
[计] 双正交
🗣️ 情景例句
You've really been keeping an eye on quality.
你们的确在质量上下了功夫!
What kind of climate do you have?Is it cold?
你们那里的天气怎么样？很冷吗？
It's my pleasure.
这是我乐意做的。