例句
英语六级真题
  • Then they try to teach the students something with a specific presentation style, like using visual aids, and do a follow up test to see how much they learned.
    2019年12月六级真题(第二套)听力 Section C
柯林斯高阶英汉双解学习词典释义
  • N-UNCOUNT
    艾滋病;获得性免疫缺陷综合征
    AIDS is a disease which destroys the natural system of protection that the body has against other diseases. AIDS is an abbreviation for (缩略=) 'acquired immune deficiency syndrome'.
英汉词典释义
英英词典释义
  • Noun
    1. a serious (often fatal) disease of the immune system transmitted through blood products especially by sexual contact or contaminated needles
行业词典
  • 体育: 扶助指挥;