underlie /ˌʌndɚˈlaɪ/ verb underlies; underlay /-ˈleɪ/ ; /ˌʌndɚˈleɪ/; underlain /-ˈleɪn/ ; /ˌʌndɚˈleɪn/; underlying underlies; underlay /-ˈleɪ/ ; /ˌʌndɚˈleɪ/; underlain /-ˈleɪn/ ; /ˌʌndɚˈleɪn/; underlying Learner's definition of UNDERLIE
[+ object]
1
: to lie or be located under (something)位于…的下面;置于…之下 2
: to form the basis or foundation of (an idea, a process, etc.)构成…的基础