ninth

第九英释中释numone of nine equal parts of something

第九的；九分之一的英释中释adjcoming after eight other things in a series

九分之一英释中释none of nine equal parts of something

1 double ninth festival,重阳节

1 In that region, Chile went from ninth to first, overall, as Chilean mobile web use increased by 3200% over the past year..智利从这一地区的第九跃升到第一位，因为智利的移动网络用户在过去一年增长了 3200% 。

2 Then, in eighth or ninth grade, I studied astronomy, cosmology, and the origins of the universe..后来，在八、九年级的时候，我在学习天文学，宇宙学和宇宙的起源。