查询词典 antenna lead in

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。

I am a lead pencil--the ordinary wooden pencil familiar to all boys and girls and adults who can read and write.

我是一支石墨铅笔——一支所有男孩、女孩以至于成人都能读写使用的普通木制铅笔。

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。

I am a lead pencil—the ordinary wooden pencil familiar to all boys and girls and adults who can read and write.

我是一支铅笔——最普通的木杆铅笔，只要是能读会写的男女老少都最再熟悉不过的铅笔*。

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。

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。

They admit that in the production of their product lead peroxide is used.

他们承认，他们的产品过氧化铅生产使用。

Prolonged exposure to lead peroxide can cause abnormal pain, nausea, and vomiting.

长期接触铅可引起不正常的过氧化疼痛，恶心和呕吐。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48