Hướng dẫn sử dụng:
rewards
affect (v)
effect (n)
effective (adj)
alternative ( adj )
aquatic (adj)
billboard ( n )
continent ( n)
biogas ( n)
canyon (n)
carbon footprint (np)
coastal ( adj )
coral reef (phr)
conserve (v)
contaminate ( v)
Tạo bởi Cẩm Ly