1. （持续并较强烈地）疼痛
    If you ache or a part of your body aches, you feel a steady, fairly strong pain.

    e.g. Her head was throbbing and she ached all over...
           她的脑袋嗡嗡作响并且浑身疼痛。
    e.g. My leg still aches when I sit down...
           坐下时我的腿还会痛。

2. （身体某部位持续且较强烈的)疼痛
    An ache is a steady, fairly strong pain in a part of your body.

    e.g. You feel nausea and aches in your muscles...
           症状为恶心和肌肉疼痛。
    e.g. Poor posture can cause neck ache, headaches and breathing problems.
           姿势不当会导致颈部疼痛、头痛和呼吸困难。

3. 渴望（且因得不到而痛苦）
    If you ache for something or your heart aches, you want something very much, and feel very unhappy because you cannot have it.

    e.g. She still ached for the lost intimacy and sexual contact of marriage...
           她仍旧渴望拥有婚姻中逝去的那份缱绻和肌肤之亲。
    e.g. But Spain was a country aching to get away from its past...
           但西班牙是一个渴望摆脱以往形象的国家。

4. （泛指较轻微的）身体疼痛
    You can use aches and pains to refer in a general way to any minor pains that you feel in your body.

ache什么意思

    e.g. It seems to ease all the aches and pains of a hectic and tiring day.
           繁忙劳碌了一天所带来的周身酸痛似乎被一扫而空。