freight car的用法和樣例：
例句
- Detention of a ship, freight car, or other cargo conveyance during loading or unloading beyond the scheduled time of departure.
(運輸工具)滯留，延期船、貨車或其他運輸工具在裝卸貨物期間超過了規定的離開時間而滯留 - The part of a truck, trailer, or freight car designed to carry loads.
平板卡車、拖車或載重運輸汽車的一部分
