?
查询技巧:
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符:
   %a    以a结尾的单词;
   ab%    以ab开头的单词;
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符:
   _a_    三位且a在中间的单词;
   _ad    三位且ad结尾的单词;
   ac_    三位且ac开头的单词;
   _a    两位且a结尾的单词;
   a_    两位且a开头的单词。
4、带连字符-的单词,需含-字符才能模糊查询,如well-know需输入 well-% 。
5、在手机键盘上,如果g上有%和v上有_,则可长按输入。

space scientist

n. 航天科学家

1. I want to become an aerospace scientist, because I am interested in the outer space very much.
我想成为航空科学家,因为我对外太空很感兴趣。
2. Now a team led by Nasa space scientist James Mason have claimed that gently moving junk off course could be the answer.
而现在,由Nasa太空科学家詹姆斯·梅森(James Mason)率领的队伍指出,轻轻地移开那些太空垃圾就是解决方案。 (译者:这不废话么?)
3. A scientist once said: "I have concluded that the earth is being visited by intelligently controlled vehicles from outer space."
一位科学家曾经说过:“我已经得出结论,来自外太空的智能控制飞行器正在访问地球。”
4. According to Alan Stern, planetary scientist, the biggest public relations boost for the ISS may come from the privately funded space flight industry.
行星科学家艾伦·斯特恩认为,国际空间站最大的公关推动力可能来自私人资助的太空飞行业。
5. "They are very rare events," said NASA scientist Bill Cooke, who found the aurora photos in the Alabama camera's archive and posted them on the Marshall Space Flight Center's blog.
美国宇航局的科学家比尔·库克说:“它们是极其罕见的现象。”比尔此前曾发现了存在阿拉巴马州摄像机里面的极光照片,并把它们发布在马歇尔航天飞行中心的博客上面。