地应力卸荷、风化、流水侵蚀、植物根劈是危岩发育的主要原因。

The developing of dangerous rock is due to release of in-situ stress in rock, aeolation, water erosion and root flerry.

youdao

碳酸盐岩沉积物，特别是生物礁，只有在现代海洋动物群落和植物群落生态学详细资料的帮助下才能获得有益的研究成果。

Carbonate sediments, in general, and reefs, in particular, can only be studied profitably with the aid of a detailed knowledge of the ecology of modern Marine fauna and flora.

youdao

细小而形似植物的珊瑚生物死亡时会褪色变白，原因通常是不断升高的温度，留下的只是一具白色的石灰岩珊瑚礁骨架。

Bleaching occurs when the tiny plant-like coral organisms die, often because of higher temperatures, and leave behind only a white limestone reef skeleton.

youdao