Meaning of qiān:
铅
old variant of 鉛|铅[qian1]; lead (chemistry); used in 鉛山|铅山[Yan2shan1], a county in Jiangxi
Xiǎo háizimen zài xuéxiào de shíyàn kè shàng xué dào le guānyú qiān de zhīshì.
小孩子们在学校的实验课上学到了关于铅的知识。
The children learned about lead in their school science class.
Zhè zhǒng kuàngshí zhōng hányǒu dàliàng de qiān.
这种矿石中含有大量的铅。
This type of ore contains a large amount of lead.
Wǒmen jìhuà qù Yánshān xiàn lǚxíng.
我们计划去铅山县旅行。
We plan to travel to Yanshan County.