Childishness
成人 Adult Edu童心；稚气；童稚；孩子气
✅ 同义词
📖 牛津释义
childishness
n [U].
🗣️ 情景例句
Hello, who's speaking, please?
喂， 谁在讲话？
Good wine needs no cries.
好酒无需叫卖。
It was simply a blank sheet of paper.
而是一张白纸。