Arab n. a native of Arabia 阿拉伯人

adj. of the Arabs or Arabia; Arabian 阿拉伯(人)的

westernmost adj. 最西 (端) 的

African n. a native or inhabitant of Africa 非洲人

adj. of or relating to Africa or its peoples, languages, or cultures 非洲(人)的

ambassador n. a diplomatic official appointed a as representative by one government to another 大使;使节

He was appointed ambassador to Japan. 他奉派为驻日大使。

Roman adj. of or relating to ancient or modern Rome or its people or culture

罗马(人)的

n. a native, inhabitant, or citizen of ancient or mod

ern Rome 罗马人

empire n. a group of countries under one ruler, usually an emperor 帝国

the Roman Empire 罗马帝国

rhinoceros n. 犀牛

horn n. a hard, pointed thing which grows on the head of some animals(羊、牛、鹿等动物的)角

Horns are usually in pairs, one on each side of the head.

角一般都是成对的，在头部两侧一边长一个。

n. an instrument for making loud warning noises 喇叭

The taxi driver blew his horn to tell us that he had arrived.

出租汽车司机按喇叭告诉我们他到了。

wander vi. to go from place to place with no special purpose 漫游;闲逛

The boys wandered around the town with nothing to do.

那些男孩无所事事，在镇上到处闲逛。

motherland n. one's native land 祖国

awareness n.[u] 觉察;意识;知道

awareness of one's ignorance 意识到自己的无知

existence n.[u] being 存在;生存

The tree owes its existence to soil. 树木依赖泥土生存。

accurate adj. conforming exactly to fact; errorless 准确的

deviating only slightly or within acceptable limits from a standard 精确的