(zài, ㄗㄞˋ) (located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress) [CE-DICT]
银
(yín, ㄧㄣˊ) silver Ag, transition metal, atomic number 47 [CE-DICT]
河
(hé, ㄏㄜˊ) river [CE-DICT]
系
(けい) (n,n-suf) (1) system; lineage; group; (2) {math} corollary; (3) (geological) system (range of strata that correspond to a particular time period); (4) (taxonomical) series; (P) [EDICT]
(xì, ㄒㄧˋ) be; connection; relation; tie up; bind [CE-DICT]
(xì, ㄒㄧˋ) be; system; to tie; department; faculty [CE-DICT]