英 [ˈbɜːdˌkɔːl] 美 [ˈbɜːrdˌkɔːl]
n. 鸟叫声;模仿的鸟叫
单边带长途通讯设备
... sung 动词sing的过去分词... birdcall 鸟叫声 vocal 声音的 ...
... bird-track鸟迹 birdcall单边带长途通讯设备 birdfootsubdelta鸟足状小三角洲 ...
... 学期、学季等 academic advisor 学鸟叫 birdcall 学期(半年) semester ...
鸟叫声;模仿的鸟叫
She would play a birdcall and see which one of us could identify it first.
她先播放鸟儿的叫声,然后看我们两人谁先将这种叫声辨别出来。