underpinning

动词 underpin:

1. support from beneath
   同义词：underpin
2. support with evidence or authority or make more certain or confirm
   同义词：corroborate, underpin, bear out, support

1. These developments are underpinned by solid progress in heavy industry.
   重工业的稳固发展为这些进展打下了基础。
2. The evidence underpinning his case was sound.
   有利於他的证据是确凿的。