major cause的意思|示意

Booming cattle breeding is a major cause of desertification in grassland.

发达的畜牧业是草原荒漠化的主要原因之一.

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The mother - infant transmission is a major cause of chronic infection.

母婴 传播是形成慢性感染的重要原因.

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Frequent virus variation is the major cause of influenza epidemics.

摘要流感病毒的不断变异是造成流感经常流行的主要原因.

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Intrauterine infection is a major cause of preterm delivery.

宫内感染是早产发生的重要原因.

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Paint containing lead a major cause of lead poisoning in children.

含铅漆是儿童铅中毒的主要原因.

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What is the major cause of the labour - management strife?

劳资冲突的主要原因是什么?

辞典例句