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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。
- attenuating sever;distributed wall loss;reflective oscillation;gyrotron backward oscillation;absolute instability;Gyrotron traveling wave amplifier 关键词:隔离管;散布式损耗;反射振荡;磁旋返波振荡;绝对不稳定;磁旋行波放大器
- This part of the country is still backward. 这个国家的这个地区仍很落后。
- 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。
- He looked backward over his shoulder. 他回头向后看。
- Backward oscillation 返波振荡
- 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。
- 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。
- The sandstone shows a more persistent oscillation. 砂岩表示一个更为持久的扰动。
- Having an indicator that stops without oscillation. 指针不摆的停止时没有震动的指示器的
- 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
- The backward man lacks black background. 落后的男子缺少黑色背景。
- The calcaneus projects backward behind the ankle. 跟骨突出于踝部的后方。
- Rate of signal oscillation in hertz. 信号振荡的速率,以赫兹(Hz)为单位。
- To move the cursor one character position backward. 将光标反向移动一个字符位置。
- The sandstone shows a more persistent oscillation . 砂岩表示一个更为持久的扰动。
