不可或缺的要素

不可 buˋ keˇ

(Difficult, Forbidden, Hard, No, None, Not allowed) No, None, Hard, Difficult, Not allowed, Forbidden

不可或缺 buˋ keˇ huoˋ queˉ

(Essential, Indispensable) Indispensable, Essential

的 de˙ diˋ diˊ

Have, Has, At That, (Di4), Clear, Distinct, Target, Goal, (Di2), Accurate, Exact, Proper, (De5)

要素 yaoˋ suˋ

(Element, Elements, Ingredient, Ingredients) Element, Elements, Ingredient, Ingredients