n. 名词婴儿，幼儿；未成年人；初学者，生手
adj. 形容词婴儿的，幼儿的；幼稚的，幼小的；初期的；未成年的
The infant was sleeping peacefully in the crib.
婴儿在摇篮中安静地睡着。
Parents need to ensure the infant gets enough sleep.
父母需要确保婴儿有充足的睡眠。
The doctor examined the infant during the regular check-up.
医生在常规检查中检查了婴儿。
She carefully wrapped the infant in a warm blanket.
她小心地用温暖的毯子裹住婴儿。
The infant smiled when he heard his mother's voice.
当听到妈妈的声音时，婴儿笑了。
Feeding the infant every few hours is essential.
每隔几个小时给婴儿喂食是必要的。
The infant was fascinated by the colorful mobile.
婴儿被五颜六色的挂饰迷住了。
The infant reached for the toy with curiosity.
婴儿好奇地伸手去拿玩具。
They took the infant for a walk in the park.
他们带婴儿去公园散步。
The infant cried loudly when he was hungry.
当饥饿时，婴儿大声哭泣。
infant formula 婴儿配方奶粉
infant mortality rate 婴儿死亡率
infant development 婴儿发育
infant clothing 婴儿服装
infant nutrition 婴儿营养
infant sleep patterns 婴儿睡眠模式
复数: infants;
