常见例句双语例句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。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。 返回 bunsen beaker