She wrote a book about her fear that 2)robins would sing no more in future spring times. She called it Silent Spring.

她把对知更鸟在来年春天便不再歌唱的担忧写在一本书里，书名叫《寂静的春天》。

youdao

She wrote a book about her fear that 2)robins would sing no more in future spring times. She called it Silent Spring.

她把对知更鸟在来年春天便不再歌唱的担忧写在一本书里，书名叫《寂静的春天》。

youdao