Des moines
得梅因(美国衣阿华Iowa州的首府)
🧩 词语组成解析
[计] 数据加密标准, 数据输入系统, 显示编辑系统
🗣️ 情景例句
I have to return this book to the library.
我得把书还回图书馆了。
Do you think the doctor could see me tomorrow before 9:30?
你看医生在明天9:30前能给我看病吗？
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。