提炼

tí liàn

to extract (ore, minerals etc), to refine, to purify, to process

我在锻炼

wǒ zài duàn liàn

I am exercising

每天多锻炼

měi tiān duō duàn liàn

Exercise more every day

你锻炼了吗？

nǐ duàn liàn le ma？

Did you exercise?

商店提高价格

shāng diàn tí gāo jià gé

Stores raise prices

我需要提高价格

wǒ xū yào tí gāo jià gé

I need to raise the price

老师提高了声音

lǎo shī tí gāo le shēng yīn

Teacher raised his voice

我每天都保持锻炼身体。

wǒ měi tiān dōu bǎo chí duàn liàn shēn tǐ。

I keep exercising every day.

我们要提高生产力。

wǒ men yào tí gāo shēng chǎn lì。

We want to increase productivity.

我的成绩大幅提高了。

wǒ de chéng jì dà fú tí gāo le。

My grades have improved dramatically.

练习可以提高你的技能。

liàn xí kě yǐ tí gāo nǐ de jì néng。

Practice improves your skills.