laika
n. 莱卡犬（一种尖嘴、竖耳、矮胖的粗毛鬈尾狗）
例句
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.
