Sometimes other strains of the virus spread more than expected.

因为有时候外的流感种类会流行开来。

Carrie, you're under a lot of strain.

卡莉 你压力太大。

Such an attempt only aggravates the strain of mental effort.

这种愿望只能加剧精神紧张。

The incessant anxiety and strain of some is a well-nigh incurable form of disease.

有些人心中那挥不去的焦虑和紧张几乎已经变成一种无药可救的疾病。

E coli O157H7 is a particularly dangerous strain of e coli.

大肠杆菌0157H7是极为危险的一种大肠杆菌菌株。

Each one strained every nerve to break the bundle.

每个人都使出九牛二虎力，花很长时间还是徒劳无功。

For half an hour I sat with straining ears.

我竖起耳朵坐足足半个小时。

They will gaze up and strain to find the blue dot in their skies.

他们会仰望星空，尽力寻找天空中的蓝色星球。

And that does put a strain on immigration enforcement.

这给移民执法造成压力。

I stuff the garbage bags until the plastic strains.

我把东西往垃圾袋里塞，直到塑袋快要被撑破。

Sad and solemn was the strain, but nothing dirge-like-breathing not of death, but of deliverance.

悲伤而又神圣，但是不像是在哀悼——不是死亡的呼吸，而是解脱。

Supporters of the judgment say that allowing domestic helpers to stay could lead to a huge influx that would strain the employment and housing markets and the city's welfare system.

该项判决支持者表示，允许外来佣工居留将使得其大量涌入，对当地的就业，住房市场以及福造成较大冲击。

I realize there are different strains of Ebola.

我发现埃博拉病毒也有很多种类。

The issue has previously strained bilateral relations.

该问题前曾一度让双边关紧张。

But in spite of this great love he bore John Thornton, which seemed to bespeak the soft civilizing influence, the strain of the primitive, which the Northland had aroused in him, remained alive and active.

巴克对约翰·桑顿的深切的爱，是文明潜移默化作用的深刻现，然而这并不表明，他身上被北国唤醒的原始本性不复存在，相反，它还是很活跃。

The highly transmissible omicron strain has sent new cases skyrocketing across the globe, with countries reviving dreaded lockdowns.

高度可传播的欧米克龙病毒株在全球范围内导致新病例激增，各国恢复令人畏惧的封锁。

Now more than 60% of the rice produced in China each year is from this hybrid strain.

如今，中国每年生产的稻米有60%以上出自这种杂交水稻。

He strained every muscle to lift the heavy rock.

他竭尽全力举起那个很重的石头。

The newly identified strain of the coronavirus has many mutations.

新发现的冠状病毒毒株有很多突变。

According to a study published in the journal Cell, the compounds successfully removed deadly strains of bacteria in mice which are resistant to all known antibiotics.

根据发表在《细胞》杂志上的一项研究，该化合物成功地清除小鼠内对所有已知抗生素有抗性的致命菌株。