机务折返段的英文：
locomotive turnaround depot

locomotive是什么意思：
adj. 移动的，运动的
n. 机车；火车头

Of or relating to locomotion;locomotive.
运动的运动的或与运动有关的；能自己移动的

locomotive barn
机车车库

He is a locomotive engineer.
他是一名火车司机。

turnaround是什么意思：
n.车辆回转场；周转时间；好转,起色；周转期，时限；（观点、行为等的）彻底转变

It is hard to overstate the magnitude of the turnaround
其转机的幅度之大，不论怎样形容也不算过分。

vessels'turnaround time
船的周转期

locomotive turnaround time
机车周转时间

depot是什么意思：
n. 仓库，停车场，车库，车站，贮藏所
a. (一剂药或药物)药性持久的
v.[T] 把…存放在储藏处(或仓库里)

A match is sufficient to set ablaze the lumber yard or the oil depot
要使木材堆放处或石油储存库燃烧，一根火柴就够了。

It seems that not all fat is simply a depot for the accumulation of surplus energy
并非所有脂肪都是剩余能量的积蓄。

It seems that not all fat is simply a depot for the accumulation of surplus energy.
并非所有脂肪都是剩余能量的积蓄。