单词
impaction
[ɪm'pækʃən]
基本信息
  • n. 压紧;装紧;嵌入

英英释意

1. the condition of being pressed closely together and firmly fixed
2. a disorder in which feces are impacted in the lower colon
3. a disorder in which a tooth is so crowded in its socket that it cannot erupt normally
4. a sharp collision produced by striking or dashing against something
impaction相关单词