They lack water-storing structures, and their existence on rock faces prevents them from tapping groundwater, so they have instead developed the ability to change their metabolism.

它们缺乏储水结构，而且它们长在岩石表面，这阻止了它们利用地下水，所以它们反而形成了改变新陈代谢的能力。

youdao

This creature USES its massive trunk to cling to steep rock faces while it eats moss and grass.

这种生物用它那巨型嘴巴紧紧吸附住陡峭岩石的表面，吸食缝隙中的苔藓和青草。

youdao

Love is a growth in the precipitous rock faces and sheer cliffs on the edge of the flower removal must have the courage.

爱情是一朵生长在悬崖峭壁边缘上的花，想摘取就必须要有勇气。

youdao

Giant faces of four great American presidents are cut into the rock near the top of Mount Rushmore in the Black Hills.

VOA: special.2009.03.04

Cherry and apple orchards line whispering mountain creeks, which suddenly burst into waterfalls on exposed rock faces.

BBC: Morocco��s best for walking: High Atlas Mountains

Footpaths wind gently upward to the Berber hamlet of Tamatert, wedged snugly between two stern rock faces.

BBC: Morocco��s best for walking: High Atlas Mountains

The pigeon houses riddling the rock faces, traditionally used to collect the birds' droppings for use as fertiliser, mostly stand empty.

BBC: Turkey��s land of fairy chimneys