a light-tight supply chamber holding the film and supplying it for exposure as required n
marriage within one's own tribe or group as required by custom or law
marriage to a person belonging to a tribe or group other than your own as required by custom or law
change the form of a word in accordance as required by the grammatical rules of the language
v change the form of a word in accordance as required by the grammatical rules of the language v vary the pitch of one's speech
buy as required
[经] 现用现买
repair as required
[化] 按需要修理
