These tiny creatures can kill entire forests as they tunnel their way through the inside of trees.
这些微小的生物在穿过树木内部时可以毁灭整个森林。
2
Deep underground, in a circular tunnel 16 miles long, is a stream of trillions of tiny particles.
在很深的地下，一条循环的16英里长的地下隧道，有一条几万亿微小的粒子流。
3
What you can't see with the naked eye is that the lining of the stomach (the mucosa) is interrupted by multiple tiny openings, each of which leads to a tiny hormone-producing tunnel.