Douglascele
[醫] 陰道后壁膨出
??? 情景例句
An individual's sex and characteristics are determinded by their unique set of genes.
個人性別和性格是由他們特有的一套基因決定的。
We have 50 provinces.
我們有50個省。
of a change of atmosphere, of a diversion of effort, is essential.
改變一下氣氛，轉移一下注意力，這是不可缺少的。