[--]

Jyutping hei1 jau5 hei3 tai2
Pinyin xī yǒu qì tǐ

Definitions (CC-CEDICT)
  1. rare gas
  2. noble gas (chemistry)
Definitions (Wiktionary)
  1. noun
    rare gas; noble gas; inert gas
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)