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1·Bunsen burner invented by German chemist Robert Bunsen.

德国化学家罗伯特·本生发明本生灯。

2·Then with a Bunsen burner the surface is thoroughly seared.

然后，用本生灯彻底烧灼表面。

3·First, I take a beaker of water and heat it gently over a Bunsen burner.

首先，取一烧杯的水，在本生灯上微微加热。

4·Have a friend squeeze the Mylar balloon gently while you attempttolight the Bunsen burner with a match orsparkigniter.

有一个朋友挤薄膜气球缓缓而您试图点燃本生灯的比赛或火花点火。

5·German chemist who pioneered in spectrum analysis and codiscovered the elements casium and rubidium. he introduced the bunsen burner in1855.

本生：德国化学家，是光谱分析领域的先驱，与人合作发现了铯和铷两种元素。1855年发明了本生灯。

6·I tried this for a trip recently and it was quite fun to do, if a bit fiddly, much like an old chemistry class at school, minus the Bunsen burner.

在最近的一次旅行中，我尝试了一下，非常有趣，不过需要手巧一点，很像以前在学校里上的化学课，只是没有实验用的本生灯(Bunsen burner)。

7·When I told him to stop wasting valuable time and money, he bounced a petri dish off the bridge of my nose, and I was forced to hold him at bay with the Bunsen burner.

我告诉他别浪费宝贵的时间和金钱时，他抄起一个培养皿就扔过来，砸中我的鼻梁又弹开，我不得不拿一盏本生灯逼住他。

8·He also invented the earliest form of the device that was to become the Bunsen burner, which is used almost universally in science laboratories as a convenient source of heat.

他还发明了早期的本生灯装置，几乎所有的实验室都使用它作为最便利的热源。

9·Test B: Bunsen Burner A 3/8〞Bunsen burner was adjusted to a quiet flame with a 1-1/2〞inner blue cone and then overturned on the test material, exposing material to the flame for 5 minutes.

测试B：煤气喷灯。将一个3/8〞 的煤气喷灯调到稳定的火焰使其蓝色锥形内焰为1-1/2〞，然后，将煤气喷灯翻转，是火焰接触所测试的材料5分钟。