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Words
Kanji
凸
线
【
tū
xiàn
】
convex curve
凸
线
【
tū
xiàn
】
convex curve
凸
HSK 7-9
4
含义
protrude, bulge out, convex
拼音
tū
Details
线
HSK 3
含义
line, thread, wire; clue
拼音
xiàn
Details