主要成分
zhǔ​yào​chéng​fèn

essential component

主要成分 zhǔ​yào​chéng​fèn
essential component noun
the primary or essential constituents of a whole, such as the main ingredients of a substance or the core grammatical bases of a sentence

主要成分是鸡肉。

zhǔ​yào​chéng​fèn shì jī​ròu.

The main ingredient is chicken.

主要成分是速溶咖啡，糖，冰块和牛奶。

zhǔ​yào​chéng​fèn shì sù​róng​kā​fēi, táng, bīng​kuài hé niú​nǎi.

The main ingredients are instant coffee, sugar, ice cubes and milk.