2-2-0

Under the Whyte notation system, a steam locomotive that has one unpowered leading axle and one powered driving axle.

日本語の意味

ワイト表記方式に基づき、先行輪（非駆動）1軸および駆動輪1軸を持つ蒸気機関車

The preserved 2-2-0 at the railway museum draws enthusiasts who want to study early locomotive design.

鉄道博物館に保存されているツー・ツー・ゼロ機関車は、初期の機関車設計を学びたい愛好家を引きつけている。

意味（1）

Under the Whyte notation system, a steam locomotive that has one unpowered leading axle and one powered driving axle.

2-2-0s

（ plural ）