Trackmobile
内燃机轨道车, 自动轨道车
🗣️ 情景例句
Subway transportation is very advanced in Longdon.
伦敦地地铁非常先进。
The data confirm that this product is safe and effective.
数据证实此种产品安全有效。
It could only get over the mountains if it rose to 10,000 feet.
只有在飞至10，000英尺的高度时，它才能飞过这些山头。