rock mechanics

例句：

1. 1.Rock mechanics is the study of how rocks behave under stress.
   岩石力学是研究岩石在应力下的行为。
2. 2.In rock mechanics, the strength of a material depends on its compressive strength.
   在岩石力学中，材料的强度取决于其抗压强度。
3. 3. The engineer must understand rock mechanics to design safe and efficient structures.
   工程师必须了解岩石力学，以设计安全且高效的结构。