rock hound的用法和樣例：
例句
- Walcott was the first geologist to identify pre-Cambrian fossil bacteria from microscopic examination of thin rock slices.
沃爾科特是第一個(gè)在巖石薄片鏡檢中鑒定出前寒武紀化石細菌的地質(zhì)學(xué)家。 - Geologists would also call it extrusive rock because it solidified on the Earth's surface.
因為它是噴出地球表面凝固而成，地質(zhì)學(xué)家也稱(chēng)它為噴出巖。
