Vocabulary consisting only from characters you are able to read
山川
さんせん; やまかわ; やまがわ
mountains and rivers; mountains and rivers; mountain riversmix
世界一
せかいいち
best in the worldmix
奥
おく
interior/inner part/inside/(P)mix
中年
ちゅうねん
middle-age, middle age, midlife, one's middle yearsmix