提示：点击例句中的单词，就可以看到词义解释

He whistled his dog back .

他吹口哨把狗唤回来。

Troy stepped forward and whistled a double note .

托伊迈步向前，用口哨吹了一个双音。

The farmer whistled as he milked .

农夫一边挤奶一边吹着口哨。

Her optimism whistled away these worries .

她的乐观吹走了这些烦恼。

The cold night desert air whistled through the .

寒夜的空气通过呼啸沙漠。