Whistleable
a. 可用口哨吹的,适合于用口哨吹的
🗣️ 情景例句
What type of visa have you got?
您持的是哪种签证？
I invited him ti come down, but he wouldn't.
我请他下来，但是他不肯。
the varieties are infinite; but two classes may be roughly seen.
鸟的飞行方式千差万别，但大体上可分为两类。