Infantile

(adj.) being or befitting or characteristic of an infant; 'infantile games' .

(adj.) of or relating to infants or infancy; 'infantile paralysis' .

格特鲁德编辑

• But the factory system gathered up all this infantile toil and made it systematic, conspicuous, and scandalous. 赫伯特·乔治·威尔斯. 世界史纲.
• Cheered by this prospect, the precocious boy applied himself to his infantile treadmill, with increased vigour. 查尔斯·狄更斯. 匹克威克外传.

整理:罗德尼