粉笔

Please give me a piece of chalk .

请给我一只粉笔。

If you are serious about weight training you would have invested in chalk by now.

如果你是认真的体能训练你会在现在投资的粉笔。

This is a box of white chalk.

这是一盒白色的粉笔。

Get me some chalk, won't you?

给我拿些粉笔，好吗？

Let me get some chalk for you.

我给你拿些粉笔吧。

No,I'm just looking for a man to draw on me with chalk.

不，我只是要找一个人用粉笔在我身上划线

Go to bring some chalk for me,will you?

去给我取些粉笔，好吗？

I need some chalk to write with.

我需要一些用来书写的粉笔。

I only need a piece of chalk.

我只需要一只粉笔。

We would also like to be a chalk as quietly as people.

我们也要做个像粉笔一样默默耕耘的人。

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。