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Unicursal Question of Mathematical Model and Answer;

“一笔画”问题的数学模型及解法

An upward stroke, as of a brush.

向上的一下如向上一笔

"He gets a big fee," Clemenza said. "A small fortune.

“他得了一大笔钱，”克莱门扎说，“算得上一笔小家产。

Make notes of how much money you spend on the trip.

你要把旅途上花的钱一笔一笔记下来。

Add the first total to the second(and third).

把第一笔总额加在第二笔（和第三笔）总额上。

He tore a leaf out of his notebook.

他从笔记本上扯下一页。

My pencil la ?la la la has a rubber on.

我的铅笔上有一个橡皮。

Run through your notes before class.

上课前把笔记复习一下。

There are some books, a pen and a pencil-box on my desk.

我的桌子上有一支钢笔，一个铅笔盒和一些书。

I would be writing with my pen in a notebook while smoking.

我将一边抽着烟，一边用我的笔在笔记本上写作。

A thin continuous mark, as that made by a pen, pencil, or brush applied to a surface.

线条钢笔、铅笔或画笔在一表面上划下的连续的细线条

With straight trunks and branches, white poplars aim high.

那是力争上游的一种树，笔直的干，笔直的枝。

There is a pencil-box on the desk. There are some rulers in the pencil-box.

书桌上有一个铅笔盒。铅笔盒里有几把尺子。

Every night it writes off, as loss,

而每天晚上，银行将这笔贷款作为呆账一笔勾销，

The last Item on the list be add In pencil

单子上的最後一项是用铅笔加上去的

in such a way that its point rests upon a piece of paper on the floor.

笔尖落在地板上的一张纸上，

The last item on the list was added in pencil.

单子上的最后一项是用铅笔加上去的。

Tut! I've got some chalk on my coat.

啧!我外套上弄上一些粉笔灰了。

I opened the notebooks and started reading down the names.

我打开笔记本，一一细看上面的名字。