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Words
Hanzi
真
空
管
【
zhēn
kōng
guǎn
】
vacuum tube
真
空
管
【
zhēn
kōng
guǎn
】
vacuum tube
真
HSK 1
1
含义
real, actual, true, genuine
拼音
zhēn
Details
空
HSK 2
1
含义
empty, hollow, bare, deserted
拼音
kōng
Details
管
HSK 3
2
含义
pipe, tube, duct; woodwind music
拼音
guǎn
Details