2. As tobacco cigarette burns, a potpourri of 4000 chemicals is released, including carbon monoxide and hydrocyanic acid . 当烟被点燃时，融合了四千种化学品的气体被释放出来，其中包括一氧化碳和氢氰酸。
3. Because our feature articles have increased somewhat and space is limited, the Potpourri section has indeed been cut back recently. 由于本刊在专题报导上略有增多，又限于篇幅的关系，文摘部分最近确实有所删减。
英英解释
n.
1. a collection containing a variety of sorts of things
2. a musical composition consisting of a series of songs or other musical pieces from various sources
3. a jar of mixed flower petals and spices used as perfume
