Dubiousness
n. dubious（令人怀疑的）的变形
✅ 同义词
🔴 反义词
🗣️ 情景例句
He's going up the ladder pretty quickly.
他真是平步青云。
Would you mind closing the window for me?
能帮我关一下窗户吗？（你介意关下窗户吗？）
The development of films with sound became a problem for Chaplin.
有声电影的研制对卓别林来说就成了问题。