unnatural
adj. 不自然的；反常的；不近人情的
例句
Her leg was bent at an unnatural angle.
她的腿弯曲的角度反常。
《牛津词典》
There was an unnatural silence and then a scream.
一阵反常的寂静，接着便是一声尖叫。
It seems unnatural for a child to spend so much time alone.
一个孩子独自一人待那么长时间似乎有点反常。
