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- He lined out for home without a backward glance. 他头也不回，急忙往家里走去。
- This part of the country is still backward. 这个国家的这个地区仍很落后。
- You need to filter the drinking water. 你需要把饮用水过滤。
- In some cities housing conditions went backward. 某些城市的住房条件越来越差。
- The teacher was patient with backward children. 那位老师对迟钝的学童十分耐心。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- He looked backward over his shoulder. 他回头向后看。
- 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。
- She looked backward over her shoulder. 她回头往後看。
- Sheila is very clever but rather backward in expressing her ideas. 希拉很聪明，然而在表达思想时却有些腼腆。
- We usually clear the water with a filter. 我们通常用过滤器使水净化。
- Although he is clever, he is backward in giving his views. 他虽然很聪明，却不善发表他的意见。
- Frank was so backward that he hesitated to ask her to dance. 法兰克非常腼腆,不好意思请她跳舞。
- He had a firsthand taste of life in backward mountainous areas. 他直接体验过落後山区的生活。
- 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
- A backward flow of water, as from the action of oars. 反流，逆流向后流的水，如由浆的划动引起
