Natural ecological的用法和樣例：
例句
- Forest ecologists have been more concerned than agronomists with the inner mechanisms of natural and artificial ecosystems.
森林生態(tài)學(xué)家比農學(xué)家更關(guān)心天然生態(tài)系統和人工生態(tài)系統的內部機制。 - Accumulation of toxic substances in the biosphere is causing serious changes in the structure and function of natural ecosystems.
生物圈內有毒物質(zhì)的積累，造成了天然生態(tài)系統的結構與功能的嚴重變化。
