■ book

是书、笔记本、练习本等，但有时候复数 books 是“账册”。

• She often helped him with the books.她常常帮他记账。

• broad 与 wide
• brush
• buffalo
• build
• build...into
• bull
• burned
• bus
• business
• busy
• but
• but
• but for
• buy
• by
• by itself
• by the
• cafe
• café
• calibrated
• call
• call for
• call me
• campaign
• can