直到鳥兒沒地方可住，人們才意識到保護濕地的重要性．
People didn't realize the importance of protecting the wetlands until the birds had nowhere to live．People didn't realize the importance of protecting the wetlands until the birds had nowhere to live．．
【考點】簡單句．
【答案】People didn't realize the importance of protecting the wetlands until the birds had nowhere to live．
【解答】
【點評】
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發布：2024/6/27 10:35:59組卷：14引用：3難度：0.5
