Nbsp;Effective flood control is not only necessary , but is also essential for protecting the lives of millions of Chinese citizens .

有效地控制洪水不僅是必要的，而且對保護(hù)數(shù)百萬中國公民的生命來說是必不可少的男人www天堂官网站黄污。

Fluoride is human life is one of the essential trace elements.

氟是人體生命必不可少的微量元素之一亚洲日韩在线中文字幕三区。

What is certain is that music forms an integral part of his day.

可以確定的是音樂是他生活中必不可少的一部分。

A plan is essential in the formulation and organization of ideas.

一項計劃是必不可少的国内自拍日韩高清视频在线观看免费，在制訂和組織的想法欧美黄色免费网站视频。

To happen, public participation is essential, and for that organizations like Free Press are crucial.

發(fā)生的，公眾的參與是必不可少的久久a爱视频，并為組織一樣欧美动日韩中文，新聞自由是很重要的。

Friendship is indispensable to people's life.

友誼是必不可少的人民的生活国产性爱永久视频。

We provide the essential full-service of product design that companies need in order to help them make their good product.

我們?yōu)槠髽I(yè)提供需要的欧美一级网址，必不可少的產(chǎn)品設(shè)計服務(wù)，幫助企業(yè)做出好的產(chǎn)品黄片免费观看无码视频。

For getting exon from gene, it is necessary to having promoter, which provides signal series of biologic function.

為了從基因中分割外顯子序列国产欧美一级二级，啟動子這一提供生物學(xué)功能的富含信息的信號序列是必不可少的。

However, protein, fat babies are essential elements to grow, try to use beer boiled shrimp, it is galactagogue, decoction, together with shrimp to eat, although it is difficult to eat but very effective.

不過蛋白質(zhì)又大又粗国产视频、脂肪都是孩子成長必不可少的元素黄色网站嗯..啊啊轻点，試試用啤酒煮大蝦，很催奶国产清纯初高生在线观看视频，連湯帶蝦一起吃又大又粗又黄的黄片，雖然很難吃不過很有效。

This study provides genetic evidence that SUN1-telomere interaction is essential for telomere dynamic movement and is required for efficient homologous chromosome pairing/synapsis during mammalian gametogenesis.

我們的研究首次從遺傳學(xué)上證明了SUN1蛋白和端粒的相互作用對于端粒在動物生殖細(xì)胞減數(shù)分裂中的動態(tài)變化1024zaixianshiping，高效的同源染色體配對日韩无码一级黄色毛片、聯(lián)會以及哺乳動物的配子發(fā)生是必不可少的。