The counter 2台 is used for counting: 2 machines/vehicles/devices (cars, computers) (Category: 台 (dai) - Machinery/Vehicles, JLPT N5). 二 (ni) + 台 (dai) is regular. No sound changes are triggered.
Context Example
車を2台持っています。
Kuruma o nidai motte imasu.
I own two cars.
Which counter represents "2 machines/vehicles/devices (cars, computers)"?
Correct! 🎉
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