Now lets suppose that both trains are at the railroad station loading and unloading passengers and baggage.

现在我们假设两列火车都在火车站上在上下乘客或装卸行李。

youdao

Now let's suppose that both trains are at the railroad station loading and unloading passengers and baggage.

现在我们假设两列火车都在火车站上上下乘客或装卸行李。

youdao

Now let's suppose that both trains are at the railroad station loading and unloading passengers and baggage.

现在我们假设两列火车都在火车站上上下乘客或装卸行李。

youdao