natural sink meaning in Chinese

天然吸收槽
自然降低

Human affect greenhouse gas levels by introducing new sources or by interfering with natural sinks
人类的活动可直接影响各种温室气体的源和汇而因此改变了其浓度。
Sources and sinks are processes that generate and destroy greenhouse gases respectively . human affect greenhouse gas levels by introducing new sources or by interfering with natural sinks
‘源’是指某些化学或物理过程使到温室气体浓度增加，相反‘汇’是令其减少。