Question

along
a.long  AHD[…-lông“, …-l¼ng“]   DJ[*6l%80, *6lK0]  KK[*6l%0, *6l$0]
prep.（介词）
1.Over the length of:
    顺着：
    walked along the path.
    顺着小路走
2.On a line or course parallel and close to; continuously beside:
    纵长地，平行地：沿着一条近处的平行线或道路；并排连续的：
    rowed along the shore; the trees along the avenue.
    沿着岸划船；沿街的树木
3.In accordance with:
    根据：
    The committee split along party lines over the issue.
    由于各自坚持自己政党的路线，委员会在这个问题上产生分歧
adv.（副词）
1.Forward; onward:
    向前；朝前：
    We drove along, admiring the view. Farther along, we passed a hitchhiker.
    我们一边开车，一边观赏风景。前面更远处，我们经过了一个要求搭便车的旅行者
2.As a companion:
    作为伙伴：
    Bring your friend along.
    带你的朋友一起来
3.In accompaniment or association; together:
    陪伴，相关；一起：
    packed an atlas along with other books.See Usage Note at &b{together}
    把地图册和其它书堆在一起参见together
4.With one; at hand:
    在手边；随身：
    Luckily, I had my camera along. Our guests should be along soon.
    很幸运，我随身带着照相机。我们的客人马上就到
5.Informal Advanced to some degree:
  【非正式用语】 到达相当程度：
    getting along in years.
    上了年纪
ORIGIN
1.Middle English
    中古英语
2.from Old Englishandlang [extending opposite]
    源自 古英语andlang [向反方向延伸]
3.and- [facing] * see  ant-
    and- [面对] *参见 ant-
4.lang [long] * see  long¹
    lang [长的] *参见long¹