辆

In a sentence

• 我买了一辆新车。

  I bought a new car.

  In this sentence, '辆' is a measure word used before the noun '车' (car) to quantify it, typically indicating that one car is being referred to.

• 路上停着两辆公交车。

  There are two buses parked on the street.

  Here, '辆' functions as a measure word, quantifying '公交车' (buses), showing that there are two.

• 家门口停了一辆出租车。

  A taxi is parked in front of the house.

  In this usage, '辆' consistently acts as a measure word preceding '出租车' (taxi), specifying a singular taxi entity.