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- In the measurement of small sample in an acoustic cylindrical tube, measurement data with rigid backing should be taken as the standard of the performance of an anechoic coating. 在实验室小样品声管测试中，以较厚的钢柱作为背衬的测试数据来衡量吸声覆盖层性能更为合适，且易于实现。
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- 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。
- Rigid, unimaginative convention. 成规死板的、无想象力的准则
- The support for the tent is rigid. 帐篷的支柱很坚固。
- A rigid diet will make you slimmer. 严格节食会使你身材苗条。
- 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。
- The girl slimmed her figure with a rigid diet. 那女孩严格节食将体重减了下来。
- I never lend books; you never get them back. 我的书决不外借，因为总是有去无回。
- Beliefs have ossified into rigid dogma. 信仰已僵化为不可更动的教条。
- 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。
- Back in Nigeria we used to play a lot of tennis. 我们以前在尼日利亚经常打网球。
- The crowd fell back to let the ambulance through. 人群往后退，让救护车通过。
- The teacher get a raspberry as she turn her back. 该教师转过身去时有人用舌与唇发出嘲笑她的声音。
