Trackmobile
内燃机轨道车, 自动轨道车
🗣️ 情景例句
The instructions were not easily understandable.
这份说明书不容易理解。
Kill the goose that lays the golden eggs.
杀鸡取金蛋；只图眼前需要，断绝将来财源。
He is swimming across the river.
他正横渡小河。