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繁體
pīnyīn
ㄅㄆㄇㄈ
kāiběn
abbr. to 開|开[kāi]
开本 (開本)
book format, similar to in-4°, in-8° etc (a 16-kai format 16開|16开[shíliùkāi] is roughly A4); abbr. to 開|开[kāi]
HSK level 1
45121st most common word in books
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