To a man, however, this is an alien concept because he only talks when he has a solution to offer.
然而，这对一个人来说完全是一种陌生的观念，因为他只有在能提供方案时才会说话。
Of the 7,000 alien species in the United States—out of a total of 150,000 species—only about 10 percent are invasive.
在美国总共15万的物种中，有7000种外来物种，当中只有10%是入侵物种。
Ecologists generally define an alien species as one that people, accidentally or deliberately, carried to its new location.
生态学家通常把外来物种定义为人们偶然或故意带到新地方的物种。
A number of scientists question the assumption that the presence of alien species can never be acceptable in a natural ecosystem.
一些科学家质疑这样的假设，即在自然生态系统中，外来物种的出现是绝对不会被接受的。
Another image that is evidence of European arrival is that of horses; an animal that would have been very alien to the Australian landscape.
另一个欧洲人到来的证据是马匹；这种动物对澳大利亚的环境来说是非常陌生的。
"Only a small percentage of alien species cause problems in their new habitats," said Don Smith, professor of ecology and evolutionary biology at the University of Tennessee.
田纳西大学生态学和进化生物学教授唐·史密斯说：“只有一小部分外来物种会在新栖息地引发问题。”
"Only a small percentage of alien species cause problems in their new habitats,'' said Don Smith, professor of ecology and evolutionary biology at the University of Tennessee.
“只有一小部分外来物种会在它们的新栖息地引发问题。”田纳西大学生态学和进化生物学教授唐·史密斯说。
He said they were opposed to what he described as the presence of alien forces in the region.
他说他们反对他所描述的在该地区有外国军队的存在。
He wrote, "My sister says I act like an alien."
他写道：“我妹妹说我的举止像外星人。”
He believes marks of alien life may even be found here on Earth.
他认为在地球上甚至可能会发现外星生命的痕迹。
"What are those?" asked the alien, pointing to a pair of chopsticks.
“那是什么？”外星人指着一双筷子问道。
She had to tell the alien what all the things on the table were for.
她必须告诉外星人桌子上的东西是干什么用的。
She dreamed that she was having dinner with an alien in her dining room.
她梦见自己和一个外星人在她的餐厅里吃晚饭。
His last sentence may touch people's hearts: "I am young, so I can learn to think like an alien."
他说的最后一句话可能会触动人们的心灵：“我还年轻，所以我可以学着像外星人一样思考。”
These amusing flowers also look like little orange aliens walking together over the rocks, so sometimes they are nicknamed the Happy Alien Plant.
这些有趣的花看起来像一群橙色的小外星人一起走在岩石上，所以有时它们被称为快乐外星人草。
Many progenies were obtained by a Brassica oleracea-Sinapis alba monosomic alien addition line plant selfing.
将甘蓝-白芥单体异附加系自交，获得了其自交后代。
本：比利，外星人。
Way back before, Buddhism wasn't an alien religion to me.
在信佛之前，佛教对我来说并不陌生。
Possible explanations for UFO sightings and alien abductions.
对于U FO目击和外星人绑架事件的可能解释。
Every approach in the textbooks of alien psychology had failed.
外星人心理学教科书里的每一种方法都以失败告终。
I've never seen anything that makes me think UFOs are alien in origin.
我从没见过什么东西能让我认为U FO是来自外星文明。
In a chapter on alien abductions, he recounts an abduction story of his own.
在关于外星人绑架那章中，他讲述了他自己的绑架故事。
Whether such alien notions can be transplanted to Britain is questionable.
这些国外的概念能否被移植到英国是存有疑问的。
If alien words could kill, English might not have survived the Norman conquest.
如果外来词能有杀伤力，英语就不会在诺曼征服中幸存下来了。
After being away for so long, he feels like an alien in his own country now.
背井离乡这么久，现在在他自己的国家，他觉得自己像个外人。
Hitting cinemas next year, it is a film about marines fighting an alien invasion.
明年将有一部关于海军陆战队抵抗外星人入侵的电影上映。
The people at Pandora — no relation to the alien planet — analyze 10, 000 songs a month.
“潘多拉”（和外星球可没什么关系）的成员每个月要分析10 000首歌曲。
And while the description may seem bizarre, the process is far from alien to many of us.
也许这一描述看似怪诞，但对我们中的许多人来说，这个过程却一点也不陌生。
In one scene, as Superman floats above the Earth, we hear his alien father in a voiceover.
在本片的一个场景中，超人悬浮在地球之上，观众听到他那位外星父亲的画外音。
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