长 (pinyin cháng, "long") is an HSK 2 Mandarin character with 4 strokes, built on the radical 长.

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长

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cháng

long

Tone 2 · Second tone (rising)

Strokes

HSK

2 · tier 2c

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Characters with the same rime -ang, same-tone matches first. Many are true phonetic relatives; others are coincidental.