Acatylenetetrabromide
[建] 乙炔化四溴
??? 情景例句
Dogs make great pets, but don't leave them alone with small children.
狗是最好的寵物，但不要讓狗和小孩子單獨在一起。
I'll check it.
我去查一下。
THE LOST BOOK
一本丟失的書