英文词源
- lifeline (n.)
- also life-line, 1700, "rope used somehow to save lives," from life (n.) + line (n.); figurative sense first attested 1860. Sense in palmistry from 1890.
中文词源
life,生命，line,线，绳索。
该词的英语词源请访问趣词词源英文版：lifeline 词源，lifeline 含义。
词根词缀： life生命 + line线
