human activity造句(61) As a kind of conscious activity of human beings that reflects the consciousness and introspectiveness of human behavior, the evaluation is to perfect the human activity gradually.
(62) Australian climatologist Will Steffens argued that climate change caused by human activity will fundamentally alter the air, land and oceans for tens of thousands of years.
(63) Moreover, some unconscionable human activity destroyed entironment and accelerated the abandonment process of ancient ruins.