There must have been one ten years ago, because Mr. Craven buried the key.
十年前肯定有一把，因为克莱文先生把钥匙埋了。
2
One of the ten information specialists will answer your question even if the question has multiple parts, and even if you're missing some key information.
即使问题涉及多个方面，即使你遗漏了一些关键信息，十位信息专家中的一位也会回答你的问题。
3
University Chemistry is one of the tenkey constructed courses of Chongqing University.