American unease was only heightened when Sputnik 1 was followed amonth later by the successful launching of Sputnik 2, which carried thedog Laika, the first living passenger, into space.

在"Sputnik 1"成功发射后仅仅一个月后 "Sputnik 2"号也发射成功 它还携带了第一个活的乘客 小狗"Laika"进行了太空飞行.这一切增加了美国人的不安.

youdao

Sputnik 2 put a dog into space.

史泼尼克卫星2号带了一只狗到太空中。

youdao

The USSR began sending dogs into space in 1951, and a Russian mutt named Laika became the first (non-microbial) Earth-born animal to enter orbit on aboard Sputnik 2 on November 3, 1957.

FORBES: Iran's Space Program Isn't Monkeying Around