Postneonatal
adj. (婴儿)新生期后的；(婴儿)出生一年内的，满月后周岁内的
🗣️ 情景例句
He is a good speaker of English.
他英语说得非常流利。
Delivery costs will have to be borne by the manufacturer, I'm afraid.
运费恐怕要由制造厂商来承担。
But I'm worried about his Chinese.He may fall behind the other students when he comes back.
但我担心他的中文。等他回来后，他可能会落到其他同学后面。