- ache
 - [eik]
 - vi. 疼痛;渴望
n. 疼痛 
参考例子
           - 1.His heart ached for the starving homeless.
 - 他对这忍饥挨饿的无家可归者表示怜悯。
 
- 2.Have nerve to ache this symptom?
 - 有没有神经疼痛这个症状?
 
- 3.Do you know why you always have stomach ache?
 - 那么你知道为什么你老是肚子痛?
 
英文解释
           - n.
 - 1.a dull persistent (usually moderately intense) pain
 - 2.feel physical pain
 - 3.have a desire for something or someone who is not present
 - 4.be the source of pain
 
网络释义
               - AchE
 - 胆碱酯酶; 乙酰胆碱酯酶; 乙酰胆碱脂酶; 疼痛;
 
- ache for
 - 想念, 渴望; 怜悯; 想念; 深切同情;
 
- abdominal ache
 - 肚子痛;
 
- ear ache
 - 耳疼;
 
- persistent ache
 - 持续性痛;