Positive collocations: protect/save the ecology, protected species, reduce pollution, recycle rubbish, Negative collocations: endangered species, damage the ecology, air/water pollution, crowded cities, throw rubbish away, natural disasters, Something between: local environment/wildlife, natural habitat,

द्वारा

लीडरबोर्ड

दृश्य शैली

विकल्प

टेम्पलेट स्विच करें

ऑटो-सेव पुनःस्थापित करें: ?