1. | 根本的;潜在的;隐含的important in a situation but not always easily noticed or stated clearly |
The underlying assumption is that the amount of money available is limited. 隐含的假定是可用的资金有限。 | |
Unemployment may be an underlying cause of the rising crime rate. 失业可能是犯罪率攀升的潜在原因。 |
2. | 表面下的;下层的existing under the surface of sth else |
the underlying rock formation 地表下的岩石结构 |