3、At this moment on the ridge, up against the blazing sky, a flgure was visible, like the black snuff in the midst of a candle flame.
6、Burning gas has been used to make diamonds before but Professor Zhou is the first to show that the gems form deep inside something as simple as a candle flame.
2、The results show that candle flame temperature in microgravity is indeed lower than that in normal gravity.
7、The candle flames wavered.
5、Griff ignored the request. Instead he touched the letter to the candle flame and watched the parchment blacken, curl, and flare up.
1、The candle flame flickered and went out.
4、Wuzong Zhou, a professor of chemistry, said: 'a colleague from another university said to me: "of course, no one knows what a candle flame is actually made of."
