Level 5 · word 10,247 of 20,000
shale
/ˈʃeɪl/
American
- n. 页岩
- Definition
- n. a type of rock that splits easily into thin flat layers
- Example
- Workers drilled deep into the shale to extract natural gas.
- 工人们深入页岩钻探，以开采天然气。
Word mapTypes of rock