1. 未损伤的：unmarked /未被注意的/无记号的/无标的/ | unmarred /未损伤的/ | unmarriageable /不适于结婚的/不能结婚的/
2. 未损伤的;未污染的：unmachinable 不能机械加工的 | unmarred 未损伤的;未污染的 | unmeasurable 不可测量的
1. It is far from the city and most of its natural landscape is unmarred by human activities.
adj
1. free from physical or moral spots or stains
e.g. an unblemished record
an unblemished complexion
Synonym: unblemished unmutilated