So a small engine that would go inside of a model rocket for instance.

例如，一个可以装在模型火箭内部的小型发动机。

He'd found a vocational school in southern Canada that offered classes in small engine repair.

他在加拿大南部找到了一家教授修小型引擎的职业学校。

And then very quickly you have small gas engines, and you have items which are consumer items.

然后很快就又有了小型内燃机，有了商业化的版本。

With only small engine, it flies best in the cool morning air with no more than a light breeze.

在小引擎的带动下，希尼布勒极适合在刮着微风的寒冷早晨航行。

With very small engines, they are considered too small for foreign markets.

使用非常小的发动机，它们被认为对于国外市场来说太小了。

But smaller engines simply can’t take in this much air.

但较小的发动机根本无法吸入这么多空气。

But smaller engines simply can't take in this much air.

但较小的发动机根本无法吸入这么多空气。

Behind me is a replica of a small siege  engine called a perrier.

我身后是一个叫作 Perrier 的小型攻城机器的复制品。

But it would also allow for the design of lighter aircraft, with smaller engines, which would cut fuel consumption, noise and emissions further.

但它还允许设计引擎更小，重量更轻的飞机，可以进一步降低油耗，噪声及排放。

In Accion's engine these tennis balls are actually ions, and our smallest ion engine is about the size of a pack of cards.

在 Accion 的引擎里，这些网球实际上是离子，而我们最小的离子引擎大约是一副纸牌大小。

He constructed a small working forge in his school-yard, and built a small steam engine that could make ten miles an hour.

他在他的校园里建造了一个小型工作锻炉， 并制造了一个每小时可以行驶十英里的小型蒸汽机。

During the trial, we've heard testimony from smaller search engines like DuckDuckGo, which have said it's impossible to compete with Google when they have these default agreements.

在审判期间，我们听取了DuckDuckGo等规模较小的搜索引擎公司的证词，这些公司表示，当谷歌拥有这些默认协议时，他们就不可能与之竞争。

U.S. manufacturer Cadillac won this year’s prize for Green Car Technology for its ELR model, with an electric motor for driving and a small turbocharged gas engine for recharging the battery, thus extending its range.

美国制造商凯迪拉克凭借其 ELR​​ 车型赢得了今年的绿色汽车技术奖，该车型采用电动机驱动，小型涡轮增压燃气发动机为电池充电，从而延长了续航里程。

If you've ever wondered what the  opening at the end of the fuselage is, you were likely looking at  the exhaust for the APU.Air from this small engine is removed constantly  as it generates power for the aircraft.

如果您曾经想知道机身末端的开口是什么，您可能正在查看 APU 的排气口。 这个小型发动机的空气在为飞机提供动力时会不断排出。