The rate of foreign exchange, once established, was supposedly fixed.

And does human nature really never change?

而且,人性是永久不变的 么 ?

Do we still have any fixed standard of reference in English teaching?

我们在英语教学中还有固定不变的参考标准吗？

"Wait just a second," he replies without delay, his unwavering smile brightening his features.

“稍等片刻，”他立刻答道，那抹不变的笑容让他的面容熠熠生辉。

The landscape around us, however, seems stable and unchanging.

然而，我们周围的景色却看似稳定而不变的。

The competing car had a driver's seat that was 3 inches lower and an engine mounted closer to the front.

这款竞争车型的驾驶座椅降低了3英寸，发动机安装位置更靠近前部。

He fastened his seat belt securely.

他牢牢地系好了座椅安全带。

Exhausted, the man sprawled lazily across the sofa and cushioned seats.

这些疲惫不堪的男人懒散地摊在沙发和软垫座椅上。

Her hands clenched the arm supports of the seat with great force.

她的手用力地攥紧了座椅的扶手支撑。

The torn plastic seat on the red wooden stool wobbled slightly on the uneven floor.

那张红色木凳上破损的塑料座椅在凹凸不平的地板上轻微摇晃。

The bullet shattered the windscreen and lodged in the seat after piercing the bonnet.

子弹击碎挡风玻璃并穿透引擎盖后卡在了座椅里。

The seat belt on the car seat clicked into place smoothly.

汽车座椅上的安全带顺利地扣上了。

Exhaling softly, Jessica sank into the cushioned seat with a faint sigh.

杰茜卡轻轻呼出一口气，带着微弱的叹息陷进柔软的座椅中。

Does the fitting of car seats mark the end of responsibility?

安装好汽车座椅就意味着责任结束吗？

Chewing gum clung stubbornly to the fabric seats of my grandmother's car.

口香糖牢牢地粘在了我祖母汽车的面料座椅上。

Car Products, Accessories, Spare Parts, Tyres, Batteries and Hand Tools.

采购产品汽车产品, 配件, 零件, 轮胎, 电池和手动工具.

Seeds and hand tools and skills will have worth.

种子,手持工具和相应的技能才是有价值的东西.

At first we used hand tools. Later we had machines.

开始我们用手工工具, 后来我们有了机器.

Ability to use standard hand tools and some specialty tools.

会使用相关的工具设施,包括特种工具.

What do you think of our offer for hand tools?

您对我方手工工具的报盘有什么看法?

Check that hand tools are in good condition before use.

使用手工具前先检查它是否完好无损.