This adverb means “when you look through geology” — through the rocks, the soil, and the Earth's long change since it was formed. “Geologically speaking, this mountain is young” means: in rock-time it has not been there long, even if to us it has always been there. “Geologically active” means the ground still moves: volcanoes, earthquakes, land still being pushed up.

This adverb means "when you look through geology"這個副詞的意思是「透過地質學的角度來看」——through the rocks, the soil, and the Earth's long change since it was formed透過岩石、土壤，還有地球從形成以來的漫長變化。"Geologically speaking, this mountain is young" means「Geologically speaking, this mountain is young」的意思是：in rock-time it has not been there long用岩石的時間尺度來看，這座山存在的時間並不長，even if to us it has always been there就算對我們來說牠一直都在那裡。"Geologically active" means the ground still moves「Geologically active」的意思是地表還在變動：volcanoes, earthquakes, land still being pushed up火山、地震、地層還在隆起

You add -ly when you want to say “in the way geology sees things.” Though actually, students sometimes pick this word because it sounds serious, then use it for any “Earth” idea.

when you want to say "in the way geology sees things."想表達「用地質學看事情的方式」時，You add -ly你就加上-ly。Though actually不過其實，students sometimes pick this word because it sounds serious學生有時候會選這個字只是因為聽起來很正經，then use it for any "Earth" idea然後就拿來套用在任何跟「地球」有關的概念上

If you mean “this city is in the south,” you want geographically. If you mean “this land was under the sea millions of years ago,” you want geologically.

If you mean "this city is in the south,"如果你想說的是「這座城市在南部」，you want geographically你要用的是geographically。If you mean "this land was under the sea millions of years ago,"如果你想說的是「這片土地幾百萬年前曾經在海底」，you want geologically你要用的是geologically