查询词典 be sure about

So we need to be sure about it that the axis of the cylinder hole and the axis of the crankshaft hole cross each other.

因此，我们需要确保它认为，轴的缸孔和轴的曲轴孔跨对方。

You can be sure about their interest in it.

你可以肯定他们对此很感兴趣。

Before you buy any wireless equipment, you need to be sure about what you're doing.

之前，你买任何无线设备，你必须要知道你在做什么。

Start your application now so you can be sure about your future.

你现在开始申请，以便你可以肯定你的未来。

The researchers point out that there are many things they cannot be sure about .

研究人员指出，有很多事情是他们无法确定的。

Something that you can be sure about here is that your day will not go as you expect it to.

在这里，你能确定的是你的日子不会按你的期望来过。

The researchers point out that there are many things they cannot be sure about.

研究人员指出，有很多事情他们不能肯定。

The trouble is that it is extremely difficult to be sure about radiation damage.

麻烦的是，很难予以肯定的辐射损伤。

Be sure about / of sth.

我对这次考试没有把握。

I wouldn't be sure about that, Ives.- Don't know how you can be so confident.

我可不这么想，埃福斯先生-我不知道你的自信是哪来的？

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。