bunsen burner

基本解释

You make hot cocoa with a Bunsen burner and a beaker.
做热可可的时候，你得用到本生喷灯和烧杯。
Another type of photo is neutral: for example, students standing around a Bunsen burner.
另一类型的照片是中性的：例如，学生们站在一盏煤气灯的周围。
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）。

Any junior-high school kid can do that with a Bunsen burner.
NPR: Squeezing Oil Out of Stones in the Rocky Mountains
On the main table I noticed what looked like the ragtag remains of some Physics 101 lab experiments: rusted silver balls on different inclines, distressed balloons, a stained funnel, a markered flask, a calcium-speckled Bunsen burner, iron filings and sandpaper, large magnets, and batteries that could have been bought from a Chinese immigrant on the subway.
NEWYORKER: The Region of Unlikeness

a gas burner, widely used in scientific laboratories, consisting of a metal tube with an adjustable air valve at the base