Alone, uncared for, amid the throng
Line 5: "She stood at the crossing and waited long,"
Line 6: "Alone, uncared for, amid the throng"
" She stood at the crossing and waited long, "
(She remains at the road crossing for a long time.)
" Alone, uncared for, amid the throng "
(She is surrounded by many people, yet she is alone and ignored.)
Overall meaning: She waits for a long time at the crossing even though many people are around her.