He is studying South American variants of H5N1.

他正在研究H5N1在南美的变异毒株。

Science fiction, in turn, may have inspired some real-world variants.

反过来，科幻小说可能启发了现实世界中的一些变体。

I've never seen a Unix variant like that before.

我没见过像这样的Unix系统变种。

And those are the variants that experts are keeping close tabs on.

而这些变异正是专家们密切关注的。

It found 44 variants that seem to be associated with depression.

结果发现了 44 种与抑郁症相关的变异。

And is this being driven by the very contagious delta variant?

这是由传染性很强的德尔塔变异毒株引起的吗？

Today she's covering the Omicron variant.

今天，她正在报道的是奥密克戎变异毒株。

Many of the cases there are new variants or versions of the disease.

许多病例出现了新的突变或疾病类型。

There are usually two variants so to say speaking about your character.

通常有两种动作，可以说能描述你的性格。

The " Delta variant" is blamed for this increase.

" 德尔塔变异毒株" 是此增长的罪魁祸首。