Underneath Hair Dyed Blonde

Beneath和underneath有什么区别？beneath和underneath的区别主要是：1、作名词时的：beneath：没有名词含义。underneath：下部，底部。例句：the underneath of the car is protected by steel. Feb 25, 2020i was asked this question recently- are you wearing anything underneath your shirt?. So, i am wondering if it's possible to use under instead of underneath in the above sentence?

Jan 30, 2012i use it when explaining those prepositions in my classes, just before i explain that the distinction between "under" and "underneath" is microscopic, and often not important.