with a forward motion; "we drove along admiring the view"; "the horse trotted along at a steady pace"; "the circus traveled on to the next city"; "move along"; "march on"
to a more advanced state; "the work is moving along"; "well along in their research"; "hurrying their education along"; "getting along in years"
より高度な状態に
along
in addition (usually followed by `with'); "we sent them food and some clothing went along in the package"; "along with the package came a bill"; "consider the advantages along with the disadvantages"