Ethnohistoric
a. 人種史學的
??? 情景例句
in other words ... boring.
也就是說， 太無趣了。
Americans are hight mobile, and therefore may find it difficult to became deeply involued with other.
美國人的流動性，大，因此你會發(fā)現(xiàn)和他人深交很難。
Often the little words have meanings of their own.
這些小詞常常都有自己本身的意思。