If it is erased we cannot see where their mistakes were and then cannot pick up on the areas that we recognize as being teachable 如果使用橡皮擦去,我们就无法看到他们的错误,也就无法知晓学生知识点的薄弱环节,不利于这些知识点的强化。
Scientific american recently corrected an april news story that contended that , in one study , cloned pigs had variable numbers of teeth 因此铅笔后面才会附橡皮擦,但高尔夫球铅笔例外,因为打高尔夫球时做弊不算犯错;也因此,本杂志才会有更正启事栏。
The table toolbar contains buttons for the main table commands , including an eraser button that you can use to remove cell boundaries from the table “表格”工具栏包含主要表格命令的按钮,其中有一个橡皮擦按钮,可用该工具擦除表格中单元格的边框。
The compression chamber is about the size of a pencil eraser , the fuel injectors are pen - point holes and the turbine is about the size of a 10 cent piece 压缩器就如一块橡皮擦一样大小,燃料注射器比笔尖上的小洞还小,而涡轮机就如一个1角钱澳洲硬币一样大。
One product receiving rave reviews is drag draw , a light pen and eraser set that lets kids draw whatever they want on the wall via a laser projector 其中最受好评的是可以让小朋友随意在特制墙面上涂鸦的魔术刷、魔术橡皮擦、魔术棒,以及用一种雷射投影器所组成的涂鸦桶。
Step 8 make sure only skin is smoothed . use the erasor tool with a hard - edged brush to clean up areas you don ' t want to blur , like eyebrows , eyes , nostrils etc 确定只有皮肤被模糊了:用橡皮擦工具,选择硬边的笔触,擦掉那些不想被模糊的区域,比如眉毛,眼睛,鼻孔,等。
Su - jin s forgetfulness begins to grow worse . chul - soo does not take it seriously , but su - jin goes to the hospital , where she learns that she has a rare form of early - onset dementia 两人新婚不久,淑珍发觉记忆力愈来愈差,就好像有块橡皮擦不断在她脑海中擦去她的记忆,有时她甚至连自己是谁也搞不清楚。
Wave screens are the newest and most expensive . surface acoustic wave screens must be touched by a finger or a soft stylus such as a pencil eraser to absorb energy infrared screens work with any stylus 表面声波荧幕必须用手指或软式触头例如铅笔上的橡皮擦轻触,以吸收表面能量红外线触控荧幕则可使用任何触头。
Previously , all hand - painted father drawing , painting the time to use a ruler , draw the wrong should not use erasers , careless drawing paper will wipe black , drawing slow , it has kept cutting pencil 以前,爸爸画图都要用手画,画的时候要用尺子,画错了不得用橡皮擦,不小心会把绘图纸擦烂,画图慢,还得不停地削铅笔。