bu4jue2-ru2l梊n[almost extinct;very precarious like a thread going to break] 象用一根细线连着,形容极其危急。现在也形容声音细微而连绵不断或者人已经转过山头望不见了,歌声还余音袅袅,不绝如缕。――《歌声》
接受
