该理论解释脉动的原因是激浪或陡岸的其它作用.The theory explains the microseisms are originating from surf or other action at steep coasts....

“陡岸”的拼音为：dǒu àn...

“陡岸”的英语可以翻译为：old shore，steep coast，barranca，barranco，cutbank ...