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- The IR stretching frequency of amino group in benzene ha s a larger bathochromic shift than that in tetrachloromethane (CCl 4). 由于溶剂和氨基之间形成氢键,在苯和四氯化碳中,氨基的两个吸收峰明显加宽。
- The place used to be a stretch of barren land. 早先这里是一片不毛之地。
- Stretching out, he caught the child before it fell. 那小孩摔倒前，他伸手抓住了他。
- Can you work for six hours at a stretch? 你能不能不休息连续工作6小时吗？
- The lorry skidded on a stretch of black ice. 货车在薄冰路面上打滑。
- Alfred has done a stretch in Chelmsford Prison. 艾乐弗雷德已在切姆斯福特监狱服过刑。
- He did a long stretch for attempted murder. 他因谋杀未遂罪坐了很长时间的牢。
- I got out of the bed and had a good stretch. 我起床后舒服地伸了个懒腰。
- She worked for six hours at a stretch. 她连续工作了六个小时。
- The vast plains stretch for hundreds of miles. 辽阔的平原绵延数百英里。
- With a stretch of his arm, he reached the shelf. 他伸出手臂，够著了那个架子。
- In front of us we saw a stretch of open fields. 眼前我们看到一片开阔的田野。
- It feels good to stretch after a long drive. 开了很长时间车，舒展一下肢体会很舒服。
- A wide stretch of land spreads in front of us. 一片广阔的土地在我们面前展开。
- They don't want to stretch the meeting out. 他们不想把会议延长。
- A wide stretch of land spread in front of us. 展现在我们面前的是一片广阔的土地。
- She went out to stretch her legs after lunch. 她午饭後出去散步了。
- stretching frequence 拉伸频率
- The days stretch out in an endless vista. 时日在无穷的展望中延展着。
- carbonyl stretching frequence 羰基伸展频率
