It also makes sense that they would have fewer alarm calls, because captive birds don't experience the threat of predation. The study was published in the journal Animal Behaviour. Ann m.
2
RAR压缩包含呼叫数据记录的语音广播。
RAR contains the call data record for IVR broadcast.
3
会广播的，请注意听广播会呼叫你的班机号码。
There'll be an announcement, so just listen for your flight number to be called.
点击反馈