Infantilism
n. 幼稚型, 幼稚症\\n[医] 幼稚型, 婴儿型
✅ 同义词
📖 牛津释义
infantilism
n[U]
(of older children and adults) mentally and physically underdeveloped state （指大孩子和成年人）幼稚病, 幼稚型（生理和智力发育不良的状态）.
🗣️ 情景例句
I have the key, but it doesn't work.
我有钥匙， 但是开不开箱子。
Please speak more slowly.
请说得慢一些。
The aeroplane is flying over the river.
飞机正从河上飞过。