number 2
(biochemistry) Any of a class of photoreceptor proteins present in the cones of the retina
(rail transport, UK) A length of metal (earlier timber) supporting the outer edge of the roof of a railway carriage; also found on locomotives, buses and coaches.
(organic chemistry) The cation derived from pentamethylcyclopentadiene
Alternative spelling of number two / Short form of number 2 pencil
「2番」とラベルに書かれたマーカーを渡してください。
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