cub
(n) a young animal, usually referring to carnivorous mammals, thú con
aged
(adj) having lived for a long time, có tuổi
animal skin
(n) the skin of an animal, usually used for leather or fur, da động vật
trade in
(phrase) to exchange or buy and sell goods, buôn bán
be made of
(phrase) composed of certain materials, được làm bằng
try one’s best to do something
(phrase) to make the greatest effort to achieve something, cố gắng hết sức để làm gì
grow - grew
(v) to increase in size, develop over time, lớn lên - đã lớn lên
