# gasoline? 汽油??

burn gasoline 燃燒汽油?

burn off 燃盡?

burn with 為。。所煎熬

burn down/up 火力減弱／燒掉 發怒

# coal 煤??

fossil fuels include coal,oil and natural gas?

# hydroelectric power 水力發電 水電力?

# nuclear reaction 核子反應?

nuclear adj. 原子能的 中心的

reaction n.反應

# falling water

fall v. 墜落 落下 下降? ? n.下跌 秋季

fall in? ?到期 集合 排隊?

fall in love? 墜入愛河

fall into? 落入 分成

# convert into 使轉變 把。。轉換成 折合

convert adj. 修改的? v. 轉變 改變信仰

convertible adj.可改變的? --- modified 修改

# moral dilemma?

moral :good behavior?

dilemma : need to make a choice?

# wild 野生的

# continually --- on and off?

continuously ---- on and on?

continue --carry on --- go on ---go ahead?

# repel 排斥? attract or repel?

#positive/negative pole 正負極

# flicker /flash? 閃爍/閃光

flicker : appear for short time?