Most people don't know about Samuel Pierpont Langley.

绝大部分人都没有听说过塞缪尔·兰利这个人。

youdao

Then how come you've never heard of Samuel Pierpont Langley?

那么你今天怎么会从来没有听说过塞缪尔·兰利呢？

youdao

Then how come you've never heard of Samuel Pierpont Langley?

那么你今天怎么会从来没有听说过塞缪尔·兰利呢？

youdao