How 一级 is written
Example sentences
How 一级 is used in everyday Chinese — the speaker reads the whole sentence.
大气环境质量达到国家环境质量一级标准。
dà qì huán jìng zhì liàng dá dào guó jiā huán jìng zhì liàng yī jí biāo zhǔn
The atmospheric environment there has attained the state’s first-level quality.
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