单词	left limit
释义	left limit 左极限
随便看	input rearrangement input record input record character set input recorder input recording input redirection input reference input reference axis input-referred input reflection coefficient input region input register input register board input register full input rejection test input relay input repeat time input request input requirement input requirements input resistance input resistance impedance input resistor input resolution input resonant circuit 千尺也须垂千尺游丝千尺长条百尺枝千山万水分乡县千山响杜鹃千山暮雪千山暮雪千山鸟飞绝千山鸟飞绝千山鸟飞绝请愿请战请托请援请教请旨请春客请期请柬请求