tetraoxygen
(Australia) A boat used to catch crayfish, especially commercially.
(transitive) To press close to.
(chemistry) an allotrope of oxygen having four atoms in each molecule instead of the normal two; only stable under very high pressures
plural of gray whale
研究者たちはプラズマ試料中で、1分子に酸素原子が4個含まれる希少な同素体である四酸素分子（O4）を検出しました。
Don't have an account? Sign up
Do you have an account? Login
DiQt
Free
★★★★★★★★★★
