Colombia has emerged as the second front in the battle against Zika in the Americas.

在美洲地区，哥伦比亚新近成为对抗兹卡病毒的第二个战场。

youdao

Since the outbreak of the Soviet-German war, the United States, Great Britain and Soviet Union had discussed many times about the issue opening a second front in western Europe.

自从苏德战争爆发以来，美国、英国、苏联曾经多次商讨在欧洲西部开辟“第二战场”的问题。

youdao

The first one will be above and below the bond axis is where we'll see the electron density, and the second will be perpendicular to that, so it will be a density in front of and behind the bond axis.

第一个是在键轴之上和之下,我们可以看到电子密度，另外一个垂直于它，所以在键轴之前和之后有电子密度。

麻省理工公开课 - 化学原理课程节选

Then, when we open up the front, we see the author's note to the second edition, and this was something O'Connor added to the novel in 1962.

然后当我们打开书的前几页，会看到作者对第二版的注解，这是奥康纳在1962年加上去的。

耶鲁公开课 - 1945年后的美国小说课程节选

That suggests the public could be receptive to arguments in favour of a second front.

ECONOMIST: Foreign policy

Mr Sarkozy's second front is a plan to refresh his government and give domestic policy a boost.

ECONOMIST: France��s unloved president plots his comeback

Beyond competing in the marketplace with their rival products, the companies have turned the courtroom into a second front.

WSJ: Motorola Sues Apple Over Patents