China, as opposed to Japan and other islands / mainland China

China proper

the Chūgoku region (western part of Honshu comprising the prefectures of Okayama, Hiroshima, Yamaguchi, Tottori, and Shimane)

Chinese (any language spoken in China) / Chinese (class of languages) / Chinese (Mandarin)

China Standard Time

(humanities) sinology

developing country, emerging economy

(history) the Nara period (710 - 794 CE)

an ice age (period of glaciation at the poles)

a historical period where social disorder is so great due to war, disease, political disorder etc. that there is little or no cultural development; Dark Ages