查询词典 chalk dust

Which cannot adhibit dust easily. And pollution is easy to clearly to chalk.

对粉笔、蜡笔等所沾上的污渍也特容易清洗。

Which can't adhibit dust easily. And pollution is easy to clearly to chalk.

对粉笔、蜡笔等所沾上的污渍也特容易清洗。

The other 5 percent of eggshells consists of a crucial "binding agent" that keeps the chalk from turning into dust and toughens he shells.

蛋壳成分的另外5％是重要的&黏合剂&，可以防止白垩灰化，并增加蛋壳硬度。

The use of chalk or dust clean blackboard eraser.

答：的粉笔灰尘用干净的黑板擦。

Michael had done this and was brushing dust and chalk off his knees when Howl came racing in with patches of whitewash all over his black clothes.

马鲁克才刚弄完，将灰尘与粉笔末由膝盖掸落时，霍尔冲了进来，黑衣服上满是一块块的白色涂料。

Chalk and blackboard for a dramatic friction, instant, a pieces of chalk into the "dust", and some remain in the spell of the Chinese characters on the blackboard, and some missing sections.

粉笔与黑板进行着剧烈的摩擦，顷刻间，一支支粉笔化作了&微尘&，有的留在黑板上拼成了汉字，有的款款下落。

Pharyngitis: a long time stimulating lectures with chalk dust, it is easy to suffer from laryngitis, teachers should usually drink water, get rid of bad habits such as tobacco and alcohol, spicy foods to stimulate the reduction.

咽喉炎：长时间讲课加上粉笔尘刺激，很容易患咽喉炎，教师平时应多喝开水，戒除烟酒等不良嗜好，减少辛辣食品刺激。

"Come in," said the wise man, and there Gebhart found him sitting in the midst of his books and bottles and diagrams and dust and chemicals and cobwebs, making strange figures upon the table with jackstraws and a piece of chalk--for your true wise man can squeeze more learning out of jackstraws and a piece of chalk than we common folk can get out of all the books in the world.

法师说，&进来。&进了门，格布哈特见他坐在书堆中，前后左右都是瓶子、图表、灰尘、化学品以及蜘蛛网。他正在桌上绘画各种奇怪的图形，用的是一只粉笔，几根细木杆–咱这法师是一位真正的法师，靠一只粉笔几根细杆学来的，比咱们凡夫俗子读破万卷书学来的还要多。

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。