粉笔

The systematic items stem fr om the walker's talk about the ch alk.

这些系统的条款来源于步行者关于粉笔的谈话。

For example, when Denys returns to the farm, Dinesen writes that the farm responds in the way that African plants do when with the first showers of the rainy season they flower, dripping wet, a cloud of chalk.

&例如，当丹尼斯返回农场，内森写道，该农场的方式作出反应，非洲植物做&当第一次阵雨雨季他们花，湿淋淋，云粉笔。

There is no indication, when you are in that valley, that—just a few miles to the south—the landscape changes abruptly to the chalk downs of Salisbury Plain.

当你身处这样的山谷，你根本不会意识到-向南几英里的地方，风景突然变得像粉笔画的索尔兹伯里。

Imagine a valley, an English valley, and a clement one. The hills slope gently; the woods are of oak and beech and ash and birch. There is no indication, when you are in that valley, that—just a few miles to the south—the landscape changes abruptly to the chalk downs of Salisbury Plain.

想象一个山谷，一个英国式的山谷，一个宽大的山谷山坡缓缓倾斜，树林里种满了橡树、岑树和桦树当你身处这样的山谷，你根本不会意识到-向南几英里的地方，风景忽然变得像粉笔画的索尔兹伯里

As the fingers of the pianist begin to touch the chalk the pieces shift across the blackened space creating starburst lines which mimic the fast-paced rhythm of Mussorgsky's movement while the pianist struggles to maintain the fast tempo.

作为钢琴家的手指开始接触粉笔对面的黑线，创造爆模仿穆索尔斯基的运动快节奏的节奏空间件转移，而钢琴家斗争保持快节奏。

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。