VOA慢速英语:The Influenza Virus May be More Complex than Scientists First Thought

短语讲解：

1. The cells make antibodies design to linkup to the invading microorganism, neutralize it, and in that way, prevent or at least lessen infection.

at least 至少
例句：Read at least 30 books.
至少读30本书。

2. Now, biologists have discovered how the virus can disarm those white blood cells, known as B cells.

known as 被称为， 公认为
例句：This is known as atmospheric perspective or aerial perspective.
这就是所谓的大气透视法或空气透视法。

3. Normally, the frontline antibodies occupy lung cells to protect the body against future viral invasion through breathing.

protect against 保护，保卫
例句：It calls for ground rules to protect against wrongdoing and harm.
它要求有基本规则，防范不端和有害行为。

4. So this suggests that the initial encounter of the very type of white blood cell that we think defends us against the virus may be taken out by this initial wave of infection," said Ploegh.

take out 取出，除去
例句：Could you take out this stain?
你能去掉这污渍吗？