cardboards
plural of cardboard
(organic chemistry) Any cyclic diether (especially a dioxolane) formed by reaction with acetophenone
A person sitting (typically) in the back seat of a car issuing (unsolicited and usually unwanted) instructions to the driver.
(organic chemistry) Any addition reaction in which a halogen and boron are added across a double bond.
ボランティアたちは古い段ボールを使って野良猫の仮の避難所を作りました。
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