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- back abd forth mode 前后扫描方式
- To access OBP from menu mode (MM?), type in thecommand "FM" for forth mode. BP，则输入表示向前模式的命令“FM”。
- He rocked back and forth in his rocking chair. 他坐在摇椅里前后摇晃着。
- He fluttered back and forth in the corridor. 他在走廊上烦躁不安地走来走去。
- He promenaded back and forth on the ship's deck. 他在船的甲板上来回散步。
- Two small boats ferry people back and forth. 两只小船往返为人摆渡。
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- The guard walked back and forth in front of the gate. 警卫在大门前走来走去。
- The shuttle flies back and forth on the loom. 织布机上梭子来回飞动。
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- The crowd fell back to let the players through. 人群后退让运动员们通过。
- Do exercise every day and you'll be back in condition. 每天锻炼锻炼，你很快会恢复健康的。
- The ship beat back against a monsoon. 船逆着季风艰难地行驶。
- To jerk up and down or back and forth. 上下或前后猛动
- I flap the flies away but soon they fly back. 我把苍蝇赶走，但一会儿又飞回来了。
- I never lend books; you never get them back. 我的书决不外借，因为总是有去无回。
- She leaned her head back and whispered the news. 她向后仰着头，小声说出了这个消息。
- The talks have been put back to Friday morning. 谈判推迟到星期五早上进行。
- He hated to tuck his tail and back down now. 他讨厌此时夹着尾巴退回来。
- After a long coma the sick man slowly came back. 昏睡了好久以后，那个病人慢慢地恢复了活力。
