英和和英

to enrich the contents

include as the content

File contents

an item that is incidental

surplus materials

fresh ingredients

Materials under development

significant progress

Upgrade

material prosperity

Fresh ingredients

superalloy materials

material gains

Expansive materials

an accessory ingredient

useful articles

refined sophistication

advance；expand

reinforce supplies

He has made remarkable progress （in his studies）.

the articles of incorporation

to advance or promote by degrees

sordid material interests

transfer to the first reserve

to raise the grade

reach maturity

add nutrients to

an additional explanation

to further enrich the contents of something and bring it to perfection

a supplementary component that improves capability