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原发性原因
[法]主因
1、primary six───初六
2、primary───adj.主要的；初级的；基本的；n.原色；最主要者
3、yucang primary───初级玉仓
4、primary aim───主要目的；首要目的
5、Of Cause───当然
6、primary cell───[电]原电池
7、primary source───主源；第一手来源；原始来源，第一手来源
8、cause───n.原因；事业；目标；vt.引起；使遭受
9、primary colors───红、黄、蓝三原色；n.红，黄，蓝三原色
1、Shrimp farms have been a primary cause of mangrove loss, as well as urbanization and agriculture.───海虾养殖和城市化、农业，是造成红树林消失的主要原因。
2、But female choice probably is not the primary cause of the traits.───但是，女性的选择或许不是导致这些特征的首要原因。
3、As is often the case, humans are the primary cause of extinction.───通常情况下，人类是物种灭绝的主要原因。
4、Arterial stiffening places an extra load on the heart, and is a primary cause of hypertension.───动脉壁的硬化会增加心脏负荷，是导致高血压的基本原因。
5、But if they do, the company he runs will be the primary cause of it.───如果真的发生了，他所执掌的公司应该是主要原因。
6、"The risk of infection represents the primary cause of failure of alternative solutions attempted to date worldwide, " said the hospital.───院方说，“感染的风险是全球最新替代方案尝试失败的主要原因”。
7、It was not a primary cause but a second-round amplifier, which added seriously to the problem.───投机活动不是一个主要原因，但它是第二轮放大器，加重了问题的严重程度。
8、His misunderstanding of language was the primary cause of his other problems.───他对语言的误解是他其他问题的主要原因。
9、The first was the primary cause, and in its absence a truce with the enemy would have been difficult.───而第一个原因是主要的原因，没有这一条，同他们讲和是不容易的。
1、Demonstrating climate to be the primary cause clears up many such problems.
2、His misunderstanding of language was the primary cause of his other problems.
3、The primary cause of bilateral blindness was cataract, the others were hereditary eye diseases, keratomalacia, ametropia, abnormalities of the optic nerve, etc.
4、The primary cause of the dreadful smell was the disposal of human waste.
5、Before you do anything else, the primary cause of the ill-health must be determined.
6、After ample reflection, I concluded that the primary cause of my troubles was the farm itself.
7、However, the primary cause of Crohn's disease is thought to be a dysregulated immune response to gut bacteria.
8、The primary cause of Tom's failure is his laziness.
9、The primary cause is the alternation of cold-arid climate and warm-moist climate in Quaternary period and the induced change of soil-formation processes.