Thomas is -strictly speaking -a "side tank engine" -a steam locomotive that has tanks arranged on either side of the boiler.

严格地讲，这个叫做托马斯的火车头是一个两边都装有水和燃料罐的蒸汽火车。

youdao

The primary side, which is the reactor to the steam generator which are in the containment.

第一面，则是反应堆到蒸汽，发生器，那是在容器里面的。

youdao

But this one would be more or less on the primary side, you're losing water from the steam generator.

但是，这个会或多或少是在主面，你不会从蒸汽发生器那失去水。

youdao

He, and we, need that to happen quite quickly, because the non-productive side is running out of steam.

BBC: NEWS | Programmes | Panorama | Testing the Miracle

But Carter, considered by many to be the finest fly-half in the modern game, had a mixed afternoon as England tore into the number one-ranked side in the world before running out of steam in the second half.

BBC: England 6-19 New Zealand

Priskin had the ball in the net with a spectacular overhead volley but he was offside and the Hungarian striker missed with a long-range strike as Ipswich worked up a head of steam against a sluggish Arsenal side.

BBC: Ipswich 1-0 Arsenal