Black bears usually live in North American forests.

黑熊通常生活在北美洲的森林中。

North American white - flowered avens.

北美洲的一种开白花的水杨梅.

North American bug that sucks the blood of other insects.

北美洲的大型食肉蝽,吸食其它昆虫的血.

North American silkworm moth; larvae feed on the leaves of forest trees.

北美洲的蚕蛾; 幼虫吃森林的树叶.

North American orchid bearing a single leaf and yellowish - brown flowers.

北美洲的一种兰花,在晚夏每茎长出一片褶叠的常绿叶,在春季发出一枝有褐色花的花葶.

North American orchid having a solitary leaf and flowers with threadlike petals.

北美洲的一种兰花,叶单生,花具有丝状反析花瓣.

The North American buffalo is a case of the near-extinction of a species through hunting.

北美洲的野牛就是因为捕猎而接近于灭绝的物种之一。

The North American buffalo is a case of the near - extinction of a species through hunting.

北美洲的野牛就是因为捕猎而接近于灭绝的物种之一.

North American mastodon; in some classifications considered a mammoth rather than a mastodon.

北美洲的乳齿象; 在一些分类中被当作猛犸而不是乳齿象.

North American moth with gray-winged males and wingless females; larvae are fall cankerworms.

北美洲的蛾子，雄性为灰色翅膀而雌性无翅膀；幼虫为秋天的尺蠖。