150个句子记完7000个英语单词

Of the millions who saw Haley’s comet in 1986, how many people will live long enough to seeit return in the twenty-first century.2. 1986年看见哈雷慧星的千百万人当中，有多少人能够长寿到足以目睹它在二十一世纪的回归呢？3. Anthropologists have discovered that fear, happiness, sadness, and surprise are universallyreflected in facial expressions.3.人类学家们已经发现，恐惧，快..