This was because the pandemic virus spread faster than would be expected if there were widespread immunity to it, and because antibodies to the seasonal vaccine do not cross-react with it.

这是因为大流行病毒比预料传播更为迅速，即使对它有普遍免疫性，季节疫苗的抗体与它也没有交叉作用。

youdao

Another spread out over his coat the cross-belt and cartridge-box of a National Guardsman, the cover of the cartridge-box being ornamented with this inscription in red worsted: Public Order.

另一个在他的骑马服外面系上一副国民自卫军用的那种皮带和一个盛子弹的方皮盒，盒盖上还有装饰，一块红毛呢，上面印了“公共秩序”几个字。

youdao

Fracture lines start from the outside and spread over the whole cross section, particularly starting in the fillet area and very often after a fatigue crack propagation.

断裂面从轴承部位外部开始延伸到整个截面。典型的是从圆弧部开始，常常会由于疲劳而产生的裂纹的扩展后引起的。

youdao

a 15-kilometer-wide barrier of trees that would cross 11 countries and halt the spread of the Sahara.

VOA: standard.2010.04.01

And some printed and digitized culture is spread regionally through cross-border communities such as overseas Chinese, Indians and Filipinos.

CNN: Cultural Shock

Stories of derelict controllers keep piling up, even as the head of the FAA and the leader of the controllers' union started a cross-country tour to spread the gospel of professionalism to the rank and file.

CNN: STORY HIGHLIGHTS

Lastly, cross-border financial integration has spread far enough to channel contagion from one country to another, but not so far as to break the cycle of weak banks and weak sovereigns bringing each other down.

ECONOMIST: Why the euro is breaking the European dream