第一段词汇解析
①detect = discover, find。
②in relative terms = relatively (speaking) , in relation to other things。
③emit = send out。
④ideal conditions = an environment which is perfect (for the development of life)。
第二段词汇解析
①capable of = able to。
②alternatively = on the other hand。
③presence = existence。
第三段词汇解析
①在 because 引导的原因状语从句中还有一个“ the further…system”作比较状语从句。
②小绿人这个单词本身在英语语境中就是指代外星人,是想象的外星小绿人。
Notes 学习笔记
词组归纳
1.Milky Way
2.in relative terms
3.solar system
4.far too
5.depend on
6.up to
7.life forms
8.at present
9.in existence
10.be capable of
11.Hubble telescope
12.because of
13.dust particles
14.look for
15.outer space
16.outer edge
17.blot out
18.in the first instance
19.little green men
20.in the realms of sth.
21.science fiction
新概念英语第三册课堂学习笔记第55课 From the Earth: Greetings.doc