- Traditional Chinese Character(HanT):
紅頭石蕊
- Simplified Chinese Character(HanS):
红头石蕊
- Bopomofo(Mandarin Phonetic Symbols): ㄏㄨㄥˊ ㄊㄡˊ ㄕˊ ㄖㄨㄟˇ (ㄏㄊㄕㄖ)
- Bopomofo(Zhuyin Keyboard Input/IME): cj/6w.6g6bjo3
- (ASCII) Hanyu Pinyin: "hongtoushirui" "Hong2Tou2Shi2Rui3" "Hong2 Tou2 Shi2 Rui3" (HTSR)
- (Latin) Hànyǔ Pīnyīn: HóngTóuShíEr [ Hóng Tóu Shí Er ]
- (英文翻譯) English Translation: "red litmus"
- (西語翻譯) Traducción Español: "tornasol rojo"
- (日文翻譯) 日本語翻訳: "赤いリトマス試験紙"