along/ə'lɔŋ/

1.preposition

(towards one end of) 沿着

He drove his car along East Street.
他沿着东大街开车。
2.preposition [+road] [ corridor] [ river] 
(on,beside) 沿着

the houses built along the river
沿着河建造的房屋
3.adverb

沿着

Halfway along, turn right into Hope St.
沿着路往前走到一半,往右拐到希望街。
to be coming along (fine {or} nicely)
进行(顺利)
to take/bring sb along
带某人一同前往
he was hopping/limping along
他跳跃/蹒跚着前行
along with
与…一起
all along
自始至终