这批药材必须经过产地追溯和重金属检测,才能进入药厂。Zhè pī yàocái bìxū jīngguò chǎndì zhuīsù hé zhòngjīnshǔ jiǎncè, cái néng jìnrù yàochǎng.This batch of medicinal materials must undergo origin tracing and heavy metal testing before entering the pharmaceutical factory.
奶奶在山上采了不少药材回来。Nǎinai zài shānshàng cǎi le bùshǎo yàocái huílái.Grandma gathered quite a few medicinal herbs in the hills and brought them back.
药店里摆满了各种各样的药材。Yàodiàn lǐ bǎimǎn le gè zhǒng gèyàng de yàocái.The pharmacy is filled with all kinds of medicinal materials.