Bunsen burner:a small laboratory burner consisting of a vertical metal tube connected to a gas source and producing a very hot flame from a mixture of gas and air let in through adjustable holes at the base.

• 本生灯:一个很小的实验室用灯,由一个竖立的金属管与一个进气源相连而成,通过由底部可调节孔进入的空气与气体混合可产生温度十分高的火焰。