1. Pigs were weltering about in the mud.
    猪在泥里打滚。

1. 镶边机：welter screen 翻滚筛 | welter 镶边机 | Wepsin 三唑磷胺

2. welter什么意思

2. 翻滚：Weltanschauung 世界观 | welter 翻滚 | welterweight 次中量级拳击手

3. 次重量级：轻量级 Light | 次重量级 Welter | 中两级 Middle

4. welter什么意思

4. 起伏：weltanschauung /世界观/ | welter /起伏/ | welterweight /轻中量级选手/

1. 杂乱的一堆
    A welter of something is a large quantity of it which occurs suddenly or in a confusing way.

    e.g. ...patients with a welter of confusing symptoms.
           有一堆疑难症状的病人
    e.g. ...the welter of publicity that followed his engagement.
           他上任后的一堆杂乱的宣传活动