新概念英语第二册80-03
发布时间：2012-12-26 编辑：查字典英语网小编
【课文讲解】
spend some time doing sth
lifetime : 毕生精力
用不定式做目的状语: to abserve a new... 仔细观察,一般科学家用 “observe”
which he later named Kituro = He later named the volcano Kituro. (the volcano=which)
close to : 离......很近
for long＝for a long time
notice that + 宾语从句
notice sth
notice sb do/doing : 注意到某人做某事/正在做某事
notice that: 文中可改为—He notice a river of liquid rock coming towards him.
river of...:...形成的河流 / river of soil and stone 泥石流 / river of blood 血流成河
threaten to : 有迹象表明
the mouth of Kituro 火山口
so that : 以便于(目的状语从句),一定含有情态动词
take a risk of/at a risk of : 冒险
risk sth＝risk losing sth : 冒着失去......的危险
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