炒 (chǎo) is a verb meaning "to stir-fry" or "to roast by tossing in a pan." Beyond cooking food, it is also used in tea processing to describe the step of pan-firing fresh tea leaves to stop oxidation, as in 炒茶 (chǎo chá).
妈妈正在厨房炒菜,香味飘了出来。
Māma zhèngzài chúfáng chǎo cài, xiāngwèi piāo le chūlái.
Mom is stir-frying in the kitchen, and the aroma is drifting out.
龙井茶需要用手工炒制才好喝。
Lóngjǐng chá xūyào yòng shǒugōng chǎozhì cái hǎo hē.
Longjing tea needs to be pan-fired by hand to taste good.
他学会了炒茶的基本技术。
Tā xuéhuì le chǎo chá de jīběn jìshù.
He learned the basic techniques of roasting tea.