◎源遠(yuǎn)流長(zhǎng)yuányuǎn-liúcháng
(1)[of long standing and well established as a stream runs a long course from a remote source]∶因源頭遠(yuǎn)而流程長(zhǎng)
(2)[long history]∶指?jìng)鹘y(tǒng)或歷史長(zhǎng)久
言其所學(xué)之正，源遠(yuǎn)而流長(zhǎng)也。——清·佚名《杜詩(shī)言志》
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