so this slender strip of desert is virtually the only part of the Atacama where life can exist. 因此这个狭长地带实际上是 阿塔卡马沙漠中唯一的生命绿洲
These flooded caves in Mexico have remained virtually unchanged for thousands of years. 墨西哥的这些水洞 几千年来几乎保持不变
with virtually no safety equipment 事实上没有任何安全措施
The needle-shaped leaves of the conifers are virtually inedible 针叶树的针状树叶根本不能食用