wonder

Scientists wonder if there is any form of life on the distant planet Mars.

(Chinese) 科学家们想知道遥远的火星上是否存在任何形式的生命。

I wonder why the bus is so late today since there is no traffic.

(Chinese) 我想知道既然没堵车，为什么今天的公交车迟到了这么久。

The Great Wall of China is considered a wonder of the ancient engineering world.

(Chinese) 中国长城被认为是古代工程界的一个奇迹。

It is a wonder that the small child survived the plane crash without a scratch.

(Chinese) 那个小孩在飞机失事中毫发无损地幸存下来，真是一个奇迹。