500
five hundred
🗣️ 情景例句
Thank you again.
再次感谢。
As the tree falls, so shall it lie.
自作自受。
The development of such a telescope will be one of the great astronomical projects of the twenty-first century.
而开发这样一台望远镜将会是21世纪天文学的一个重要的研究课题。