(organic chemistry) nonane

what floor?

how many times? / numerous times, many times

Jinan (a subprovincial city, the provincial capital of Shandong, in eastern China)

if you don't mind, if you like, if you're so inclined

Ranam (a district of Chongjin, North Hamgyong, North Korea)

【连词】and; but; yet

通信社: a news agency

通約: (mathematics) fractional reduction, reduction of a fraction to its lowest denominator / 通訳: interpreting, interpretation (of the spoken word); an interpreter

通約: (mathematics) to reduce a fraction to its lowest denominator / 通訳: to interpret (the spoken word)