UFO
unidentified flying objects
不明飞行物
unidentified [ˌʌnaɪˈdentɪfaɪd]
adj.
未知的;不明的;未确认的
【英文释义】
If you describe someone or something as unidentified, you mean that nobody knows who or what they are.
【例句】
I've got3 unidentified heel prints for the distinct.
我这有三个未经确认的不同的脚印。
He was with an unidentified woman.
他跟一个身份不明的女人在一起。
The unidentified plant bore gorgeous flowers.
这种未被确认的植物具有灿烂的花朵。
object [ˈɒbdʒɪkt , əbˈdʒekt]
n.
物体;目标;目的
【英文释义】
a thing that can be seen and touched, but is not alive
【词组搭配】
inanimate object 非生物
foreign object 异物
【例句】
When a large object impacts the Earth, it makes a crater.
当巨大物体撞击地球时,就会产生凹坑。
Her sole object in life is to become a travel writer.
她人生的唯一目标就是当游记作家。
He has no object in life.
他没有生活的目标。
UAP
unidentified aerial phenomena
不明空中现象
aerial [ˈeəriəl]
adj.
从飞机上的;空中的;空气中的
【英文释义】
You talk about aerial attacks and aerial photographs to indicate that people or things on the ground are attacked or photographed by people in aeroplanes.
【例句】
The seagulls swirled in aerial combat over the barges.
海鸥盘旋在驳船上方,展开空中的搏斗。
Aerial pollution is a problem that should be solved quickly.
空气污染是一个亟待解决的问题。
phenomenon [fəˈnɒmɪnən]
n.
现象;杰出的人;非凡的人(或事物)
【英文释义】
A phenomenon is something that is observed to happen or exist.
【例句】
Globalization is a phenomenon of the 21st century.
全球化是21世纪的现象。
This is a natural phenomenon that happens about once a century.
这是一种自然现象,几乎每个世纪都要发生一次。
An eclipse is an interesting phenomenon.
日[月]蚀是一个有趣的现象。