Talk:窒素

@Tooironic, curious as to source for Mandarin reading because the zh WP seems to say this is a Japanese and Korean word. Hongthay (talk) 01:39, 27 August 2016 (UTC)

Wenlin. ---> Tooironic (talk) 04:57, 27 August 2016 (UTC)

Thank you. Hongthay (talk) 06:13, 27 August 2016 (UTC)