Các tầng nghĩa / Phát âm
#1
lead
#2
lead (chemistry)
#3
used in 鉛山|铅山[Yan2 shan1] (the name of a place in Jiangxi)
Example Sentences
环保法规对儿童玩具中的铅等有害重金属含量有着极为严苛的限量标准。
huán bǎo fǎ guī duì ér tóng wán jù zhōng de qiān děng yǒu hài zhòng jīn shǔ hán liàng yǒu zhe jí wéi yán kē de xiàn liàng biāo zhǔn.
Environmental regulations have extremely strict limits on the content of harmful heavy metals such as lead in children's toys.
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