Impaction
01
冲击, 碰撞
a sharp collision produced by striking or dashing against something
02
阻生, 牙齿阻生
a disorder in which a tooth is so crowded in its socket that it cannot erupt normally
03
嵌塞, 阻塞
the blockage of material in the digestive tract, disrupting normal flow
例子
Fiber helps prevent bowel impaction.
纤维有助于预防肠道阻塞。
04
嵌塞, 压缩
the condition of being pressed closely together and firmly fixed



























