Yīng'ér shòuxǐ shì xǔduō Jīdūjiào jiātíng de chuántǒng.
Infant baptism is a tradition in many Christian families.
Tips
culture
洗礼 (xǐlǐ) is the noun form meaning 'baptism' or 'baptism-like ordeal.' 受洗 specifically means to undergo the rite. In broader usage, 经受洗礼 can figuratively mean to go through a trial that transforms you.