英译中 The birds were singing yesterday

英译中 The birds were singing yesterday There were some birds _______ the forest. that's for the birds. that ’s for the birds The day broke for the birds were singing.分析句子成分 It's for the birds怎么翻译? It's for the birds 是什么意思? There were some birds in the tree.改成一般疑问句 The birds were sing yesterday.哪里错,怎么改? The men with guns were hunting birds.如何翻译? Migration:It's not just for the birds it's easy _see the birds的意思 英语翻译New Zealand was the heavenly land of birds.New Zealand's biota was so strange that it would be dismissed as science fiction if the fossil(化石) record were not there to prove it.There were some 70 kinds of birds found nowhere else in th It Being In The Springtime And The Small Birds They were 的中文翻译 课本上鸟笼是the birds' cage 到底是 the bird's cage还是 the birds' cage There were some birds in the tree this morning.（改成否定句） There were some birds in the tree 改为一般否定句 ~~~~~~~~~~~~~~~~~~~~~~急 速度~~~~~~~~~~~~~~~~~~~~ The birds were let to fly away last Saturday.请问句子中的let