有害

But harmful effects are more common in groups with a history of interbreeding over several generations.

但是在历史上经历数代杂种繁殖的群体发生有害变化是较普遍的。

We can be skeptical of the great friendship supposedly existing between commercial farmers and their agricultural laborers and tenants, but it is hardly doubtful that the priciples of exclusion of Arabs from Jewish-owned land, and denial of employment in Jewish-owned enterprises, were detrimental to intercommunal relations.

我们可以怀疑强加在商业农民与农业工人之间的伟大友谊，但是将阿拉伯人从犹太人所拥有的土地上排除出去与犹太企业不会雇佣阿拉伯人却是不容置疑的，而这对两者的相互关系是有害的。

At present, sold in the market of interior decoration materials, which basically more or less harmful substances.

目前，在市场上出售的各种室内装饰材料，基本都或多或少地含有对人体有害的物质。

Employing different dispersing technology, applying anatase nano-TiO2、antibacterial powder to normal interior latex coating to manufacture nano-modified latex coating. The results of performance testing showed that the additive of nano-powders can evidently imrove the latex coating's quality, such as restraining bacterium、sterilizing bacterium and degrading all kinds of bad organic matters, at the same time do not reduce other performances.

采用不同的分散工艺，将抗菌粉加入普通内墙乳胶漆制得纳米抗菌内墙乳胶漆，对其性能研究的结果表明，纳米粉体的引入可以在保持其原有功能的基础上，赋予内墙乳胶漆新的功能，即光催化降解甲醛等有害有机物、抑菌杀菌等。

Simply, leaky guy syndrome is the inability of the intestinal wall to keep out large, unwanted molecules.

简单地说，泄漏的家伙综合征是无法肠道壁保持了大，有害的分子。

But the test is invasive and can be uncomfortable.

但是这一测试是有害的并且使人不适。

The positive effects include invert of sugar into alcohol by yeast and invert of malic acid into lactic acid by lactobacillus etc.

摘 要：在整个葡萄酒的酿造生产过程中，不同的微生物起着不同的作用，酿酒酵母将糖转化成酒精，乳酸菌会将苹果酸转化成乳酸等，这些是正常的发酵过程；而醋酸菌会使葡萄酒发生酸败，产膜酵母会使葡萄酒起膜浑浊，霉菌会影响酒的风味等，这些是有害微生物的作用。

The analysis to the accident of the ironmaking plant make sure the applicability of the risk assessment on working conditions.

从而可以对不同等级的危险有害因素采取不同的控制措施。2作业条件

Specific Properties: White powder, insoluble in water, density: 2.6-3g/cm, nontoxic, not irritative to skin, free of harmful heavy metal elements like lead or chrome and good thermal stability.

特 性：外观为白色粉末，难溶于水，密度2.6-3g/cm，无毒性，对皮肤无剌激作用，不含铅、铬等有害重金属元素；热稳定性好。

It's bad to you to read in the sun.

在阳光下读书是有害的。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷