alien

adj.

外国的；相异的；异已的；不相容的

n.

外国人；外侨；局外人；外星人

vt.

让渡，转让；疏远；离间；

复数：aliens

alien from相异的

1. Immigrant workers were classed as resident aliens.
   移民来的工人已归入外侨类。
2. She is declared an undesirable alien and deport.
   她被宣布是不受欢迎的外国人并被驱逐出境。
3. I followed the alien to see where it was to go.
   我跟着外星人看它朝哪儿去。

1. I ran into an old friend in the alien land.
   我在异国他乡遇到故知。
2. When I first went to New York, it all felt very alien to me.
   当我第一次去纽约的时候,所有的一切对于我一来说都非常陌生。
3. Cruelty is quite alien to his nature.
   残忍完全不合他的本性。

The Outcome of Alien Tree Invasions in Puerto Rico
Economic and environmental threats of alien plant, animal, and microbe invasions.
Ecological Predictions and Risk Assessment for Alien Fishes in North America
Are boreal ecosystems susceptible to alien plant invasion? Evidence from protected areas
Characterization of wheat-alien translocations conferring resistance to diseases and pests: current status
FIRE AND GRAZING IMPACTS ON PLANT DIVERSITY AND ALIEN PLANT INVASIONS IN THE SOUTHERN SIERRA NEVADA
Ecological impacts of invasive alien plants: a meta-analysis of their effects on species, communities and ecosystems.
Update on the environmental and economic costs associated with alien-invasive species in the United States
Performance comparisons of co-occurring native and alien invasive plants: Implications for conservation and restoration [Review]
Quantifying Threats to Imperiled Species in the United States Assessing the relative importance of habitat destruction, alien specie...