South China Sea(Pacific Ocean, between the Asian mainland and Taiwan, Borneo and the Philippines) proper noun [UK: saʊθ ˈtʃaɪ.nə siː] [US: ˈsaʊθ ˈtʃaɪ.nə ˈsiː]
東中國海proper noun
East China Sea(a sea) proper noun [UK: iːst ˈtʃaɪ.nə siː] [US: ˈiːst ˈtʃaɪ.nə ˈsiː]