It rarely infects humans now but has killed 243 out of 385 infected since 2003 and could mutate into a more infectious form.

它很少感染人类，但自2003年以来已经造成385名感染者中的243人丧生，并且可能变异成一种更具感染性的形式。

属类：英汉句库-cn.reuters.com-

Should it ever mutate into a counterproductive form, reform becomes necessary.

万一它发生突变，堕落成了反生产的形式，改革就成为必要。

属类：英汉句库-www.ecocn.org-

Various possibilities that trigger an immune response against the parts of the virus that don’t mutate are in the works.

我们正在尝试各种可能性，试图激起针对病毒不变异部分的免疫反应。

属类：英汉句库-article.yeeyan.org-

I asked. "And this story is a warning to other wiseacres to mutate in another direction? "

我问道：“并且这个故事也警告其他冒牌货要转向其他方向？”

属类：英汉句库-article.yeeyan.org-

Obviously, minerals do not have genes and thus cannot mutate as living things do.

显然，矿物并没有基因，因此不能像生物一样发生突变。

属类：英汉句库-www.ecocn.org-

Narrow investigations can mutate into broad ones that cost tens of millions of dollars.

一个小范围的调查都会变成耗费数千万美元的广泛调查。

属类：英汉句库-www.ecocn.org-

It is when these genes mutate and go wrong that cancer develops.

因此，当这些基因突变或是出现问题时，随之而来的就是癌症。

属类：英汉句库-www.ecocn.org-

So vaccinated flocks can still have "silent" outbreaks that don’t kill off birds but allow the virus to mutate undetected.

因此，注射过疫苗的家禽还可能会有“沉默”的爆发：不会让禽类致死但是允许病毒悄然变异。

属类：英汉句库-article.yeeyan.org-

Because you create new objects rather than mutate old ones, systems with lots of updates can cause inefficiencies with garbage collection.

因为您是创建新的对象而不是改变原有的对象，因此有着大量更新的系统可能就会导致以为垃圾收集而带来的效率低下。

属类：IT行业-www.ibm.com-

Current HIV drugs cannot destroy the virus because of its ability to mutate and adapt to drugs by changing its coating.

由于HIV病毒能够产生变异，能通过改变自身表层来适应药物，所以现有的抗HIV药物都无法破坏它。

属类：英汉句库-article.yeeyan.org-