乙烯酮

yǐxītóng
  1. (organic chemistry) ethenone
  2. ethenone

Wiktionary

Entry Composition

1 乙烯 yǐxī
  1. ethylene
  2. vinyl
=2 酮 tóng ketone
=2 酮 dòng
  1. (obsolete on its own in Standard Chinese, of alcohol, vinegar) to spoil; to go bad
  2. to spoil; to go bad
=2 酮 chóng
  1. (obsolete on its own in Standard Chinese, of alcohol) to become sour
  2. to become sour