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    合龙 合龍

    hélóng

    1. to join the two sections (of a linear structure: bridge, dike etc) to complete its construction

    大桥经过三年的施工,今天终于合龙了。 dàqiào jīngguò sān nián de shīgōng, jīntiān zhōngyú hélóng le.