查询词典 pencil-box

Instructables user Patented made this pencil lead potentiometer , which is great for illustrating the concept to students.

Instructables用户专利提出这铅笔芯电位器，这对说明学生的概念很大。

My pencil lead was broken.

我的铅笔芯断了。

Not toxic, the present graphite pencil lead is produced.

答：没有毒性，目前的石墨铅笔芯的生产。

Carbon is a very special material, and there are atoms of it in many things: for instance the 'lead' of a pencil is made of carbon, coal is made of carbon, and so are diamonds.

碳是一种很特殊的物质。许多东西中都有碳。例如，铅笔中的"笔铅"是碳组成的，煤是碳组成的，钻石也是由碳组成的。

Judging by the ever-increasing demand for them, it appears that the lead pencil is here to stay.

从对铅笔需求不断 ssbbww。

Pieces of bread were used to erase lead pencil before rubber came into use.

在橡皮擦使用之前，人们用一片面包来擦铅笔字。

The so-called "lead" in a pencil is not lead at all, but chiefly a different form of carbon called.

铅笔中所谓的铅，并不是"铅"，而主要是一种不同形态的炭，称为石墨。

T h e lead pencil is one of t h e most used pieces of merc h andise in t h e world.

铅笔是这个世界上使用的最多的商品之一。

Smudging is a big one since I always write in lead pencil, that's why I usually put a sheet of paper under my hand while I draw.

沾污是一个很大的，因为我总是写铅笔，这就是为什么我通常把一张纸在我的手，而我提请。

MY MOTHER WAS LEFT HANDED AND SHOWED ME THE PROPER WAY TO HOLD A PENCIL AND TILT THE PAPER.

我的母亲是左手，显示我的适当方式举行铅笔和纸张倾斜。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。