您要查找的是不是：
- Types of potherb: Purple back sunflower, Saving life potherb, Zisu potherb, Yellow sunflower, etc. 野菜系列品种：紫背天葵、救心菜、紫苏、黄秋葵等。
- Why is it that all the fast-moving fish of the dark current have purple backs and usually purple stripes or spots? 怎么搞的，凡是在深暗的水流中游得很快的鱼都有紫色的背脊，一般还有紫色条纹或斑点？
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- The delay made the patient go purple in the face. 时间的拖延使病人脸色发紫。
- The plant has a brilliant purple flower. 那棵植物开著一朵鲜艳的紫花。
- That girl likes to wear purple dresses. 那个女孩喜欢穿紫色的衣服。
- That plant with purple flowers is flag. 那种开紫花的植物是菖蒲。
- Jimmy doesn't know colors yet; he mixes up purple with blue. 吉米还不能分辨颜色，他把紫色和蓝色搅混了。
- 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。
- His face turned purple with rage. 他气得脸色发紫。
- 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。
- I like to eat purple mulberries. 我喜欢吃紫色的桑葚。
- The plant has a brilliant purple floweret. 那棵植物开着鲜艳的小紫花。
- 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。
