HSK
by Foorsa
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HSK Guide
HSK by Foorsa
Search — 你好, nǐ hǎo, hello
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真空
真空
zhēn kōng — vacuum
zhēn
(first tone, high and level)
kōng
(first tone, high and level)
zhen1 kong1
vacuum
Levels 7–9
· 2021 three-band, nine-level proficiency standard
noun
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Meanings
1
vacuum
vacuum
noun
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