1.a herd of 一群

A herd of bighorn sheep joined us for breakfast.
一群加拿大盘羊和我们一起吃了早餐。

You gotta mouth like a herd of boll weevils.
你有一个像一群棉子象鼻虫一样的嘴巴。
2.dream up 想起，想象出

I had to give my dream up.
我不得不放弃我的梦想。

I wonder what excuse they will dream up tomorrow.
我寻思他们明天会想出什么借口。

3.react to 对…作出反应

In the next few days, markets will react to the changed outlook.
未来几天，市场将顺应形势的变化而作出反应。

Iran didn't immediately react to huawei's announcement.
伊朗没有立即对华为的声明做出反应。

4.fill with 装满

Your lungs become leaky and fill with fluid.
肺部开始渗漏，充满液体。

Select the cells that you want to fill with a pattern.
选择要用图案填充的单元格。