- Traditional Chinese Character(HanT):
嬰兒期
- Simplified Chinese Character(HanS):
婴儿期
- Bopomofo(Mandarin Phonetic Symbols): ㄧㄥ ㄦˊ ㄑㄧˊ (ㄧㄦㄑ)
- Bopomofo(Zhuyin Keyboard Input/IME): "u/ -6fu6" (u/-6fu6)
- (ASCII) Hanyu Pinyin: "yingerqi" "Ying1Er2Qi2" "Ying1 Er2 Qi2" (YEQ)
- (Latin) Hànyǔ Pīnyīn: YīngérQí [ Yīng ér Qí ]
- (英文翻譯) English Translation: "infancy"
- (西語翻譯) Traducción Español: "infancia"
- (日文翻譯) 日本語翻訳: "幼児期"