单词	pustule of the gum
释义	pustule of the gum 牙疔
随便看	imperative morpheme imperative necessity imperative needs imperativeness imperativenesses imperative nuisance imperative obligation imperative of responsibility imperative of survival imperative operation imperative operator imperative order imperative pain imperative planning imperative program imperative programming imperative quantum programming language imperative regulation imperative rule imperative rules of law imperatives Imperatives are not very polite imperative sentence Imperative sentences imperatives in education