1.妨碍
2.阻碍;打搅
3.负债
1.if something large, heavy, tight, etc. encumbers you, it prevents you from moving normally
2.to make it more difficult for sb. to do sth. or for sth. to develop
3.to burden with debts or legal claims
1.To a certain extent, mankind encumbers the Earth.
在一定程度上,人类拖累了地球。