1.美洲羚羊,或稱叉角羚,是該大陸典型的草原動物。
2. Of the millions who saw Haley’s comet in 1986, how many people will live long enough to see it return in the twenty-first century.
2. 1986年看見哈雷慧星的千百萬人當中,有多少人能夠長壽到足以目睹它在二十一世紀的回歸呢?
3. Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expressions.
3.人類學家們已經(jīng)發(fā)現(xiàn),恐懼,快樂,悲傷和驚奇都會行之于色,這在全人類是共通的。
4. Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued.
4.由于苯酚對人體帶有刺激性作用,它基本上已不再被當作常用的防腐劑了。
5. Insgroupsto remain in existence, a profit-making organization must, in the long run, produce something consumers consider useful or desirable.
5.任何盈利組織若要生存,最終都必須生產(chǎn)出消費者可用或需要的產(chǎn)品。