1·Black bear cubs use trees for defense, whereas brown bears and polar bears, which regularly inhabit treeless environments, rely on aggression to protect their cubs.
黑熊幼崽用树来防御，而经常生活在没有树的环境中的棕熊和北极熊则依靠攻击性来保护它们的幼崽。
2·There is a black bear.
有一只黑熊。
3·Many animals in danger live there, such as the golden monkey, the clouded leopard and the Asian black bear.
许多处于危险中的动物生活在那里，如金丝猴、云豹和亚洲黑熊。
4·When a woman in Montana was attacked by a black bear, she threw a courgette at it. Photograph: alamy.
当一个蒙大拿州女人被一只黑熊攻击，她朝它扔小胡瓜。
5·You might even see a large black bear.
你甚至还能看到一只大黑熊。