易混淆的单词： Aliens

Perhaps it was left behind deliberately by aliens .

也许那个小怪物是外星人故意留下来的。

Perhaps aliens are actually nice .

也许外星人实际上是很善良的。

Are aliens buying louis vuitton handbags ?

难道外星人也买路易斯威登的手提包？

If aliens exist , where are they ?

如果外星人存在，他们会在哪里呢？

Stephen hawking is worried about aliens .

斯蒂芬霍金为外星人而担心。