很多孩子从小就梦想去太空旅行。

Hěn duō háizi cóngxiǎo jiù mèngxiǎng qù tàikōng lǚxíng.

Many children dream of traveling in outer space from a young age.

通过太空观测，人类对宇宙的了解越来越多。

Tōngguò tàikōng guāncè, rénlèi duì yǔzhòu de liǎojiě yuè lái yuè duō.

Through space observation, humans are learning more and more about the universe.

如果有机会参加太空旅游，你敢去吗？

Rúguǒ yǒu jīhuì cānjiā tàikōng lǚyóu, nǐ gǎn qù ma?

If you had the chance to go on space tourism, would you dare to go?