一、用作介词
along意为“沿着，靠着...边，沿着…的某处(或旁边)”。
例句：Many trees were planted along the river-bank.
沿着河岸种植了许多树。
The Chinese people are pressing ahead along the socialist road.
中国人民正沿着社会主义道路奋勇前进。
There are trees all along the road.
沿着这条路从头到尾都有树。
二、用作副词
along意为“向前，(与某人)一道，越来越(好)”，常与动词或介词with连用，构成一些常用词组。
例句：she will send it back along withsomeother things.
她将此物与其他东西一并送回。
The mechanization of agriculture will raise to the output, and, along with it, the living standard of the peasants.
农业机械化将提高产量，同时也将提高农民的生活水平。
He gets along very well with us.
他和我们相处很好。
三、常用搭配
along with sb/sth，译为除…以外(还);与…同样地。
例句：She lost her job when the factory closed, along with hundreds of others.
工厂倒闭时，她和成百上千的其他人一样失去了工作。
