复数： airliners

Let 's take a very popular airliner , the 737 .

让我们以波音737这种常见的客机为例。

But even a small airliner still contains several tonnes of costly aerospace-grade titanium .

但即便是一架小型客机依然包含着数吨造价昂贵的航天级别钛板。

If you 're talking about a commercial airliner , then there 's hundreds and hundreds .

如果你指的是一架商用客机，那么驾驶舱内会有成百上千的控制器。

In november , china successfully flight tested its first home-grown commercial airliner , the arj-21 .

去年11月，中国就已成功的试飞了首架自主生产的商用客机arj-21.

Gliding distance is an imperfect measure of an airliner 's aerodynamic efficiency , since it is not designed for gliding .

其实滑翔距离并不能作为客机气动效率的评价手段，因为这不是它的设计初衷。