您要查找的是不是：
- The cabin has a flat stone for a threshold. 这间小屋用一条扁平的石头做门槛。
- The treaty will be the threshold of lasting peace. 这个条约将成为持久和平的开端。
- He was on the threshold of his career. 他的事业刚刚起步。
- You need to filter the drinking water. 你需要把饮用水过滤。
- He had never crossed the threshold of a bar before. 他过去从未进过酒吧的门。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- Filtering the water removed some of its impurities. 把水过滤一下除去了一些杂质。
- Scientists are now on the threshold of an important discovery. 科学家们很快就会有一项重大发现。
- New ideas are slowly filtering into people's minds. 新思想逐渐深入人心。
- The news of the defeat started to filter through. 战败的消息开始传出来。
- It won't take long to filter the coffee. 用不了多少时间就可以把咖啡过滤好。
- I took this picture with a red filter. 这张照片我是用红色滤光镜拍摄的。
- The tax threshold for a single pensioner is 450 dollars. 单身养老金领取者的征税起点是450美元。
- We usually clear the water with a filter. 我们通常用过滤器使水净化。
- The court is not legally justified in stopping at the threshold of the case. 一开始就使案件停止不前，法院这样做是完全不合法的。
- They are at the threshold of a new career. 他们正要开始干一番新的事业。
- filtering threshold 滤波门限
- Put the coffee in the filter and let the water run through. 把咖啡倒入滤器里让水流过。
- The filter cleans the fuel before it enters the engine. 在燃料进入发动机之前，过滤器先把它过滤。
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
