及物动词
不及物动词
1. 低声哼唱
If you croon, you sing or hum quietly and gently.
2. (尤指伤感或不真诚地)轻声说
If one person talks to another in a soft gentle voice, you can describe them as crooning, especially if you think they are being sentimental or insincere.
1. sing softly