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| 1. | We usually use allium cepa root tip, as experimental material to observe the plant cell mitosis. |
| 观察植物细胞的有丝分裂,常用的实验材料是洋葱根尖。 |
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| 2. | The use of root systems of an old tree gave the otter a place to play as well as increasing the naturalization |
| 他们还利用一棵老树的树根，为水獭营造出一个可以嬉戏的环境。 |
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| 3. | Use root certificates to positively identify root certification authorities. |
| 使用根证书可以正确标识根证书颁发机构。 |
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| 4. | Phosphoric acid is preferred for use in colas, root beer, and other nonfruit drinks. |
| 磷酸则是可乐、根汁汽水以及其它非水果饮料中常用的酸。 |
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| 5. | A reddish crystalline compound, C14H5O2(OH)3, that is isolated from madder root for use as a biological |
| 羟基茜草素，红紫素一种从茜草属植物中提取出来用作生物染色剂和商业染料的淡红晶状化合物C14H5O2（OH） |
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