Docu
文件,文献
🗣️ 情景例句
My boss does everything by the book.
我们老板一切照章办事。
Give in!
认输吧！
Such creatures have rarely been seen alive by man as they live at a depth of six hundred feet.
人们很少能看到活着的这类动物，因为它们生活在600英尺深的水下。