| ten dong vat song trong moi truong tu nhien | moi truong song | vai tro doi voi con nguoi (liet ke ca hai mat co ich va co hai) |
| 1. ho | tren can |
co ich: lam ao khoac da... co hai: an thit nguoi... |
| 2. voi | tren can |
co ich: keo go, chuyen cho hang hoa... co hai: khong |
| 3. ngua | tren can |
co ich: phuong tien di lai... co hai: khong |
| 4. ca thu | duoi nuoc |
co ich: lam thuc an... co hai: khong |
| 5. chim bo cau | tren troi |
co ich: lam thuc an, dua thu... co hai: khong |
| 6. ca chep | duoi nuoc |
co ich:lam thuc an... co hai: khong |
Peter and Bill are brother => brothers