单词：active material
active material的用法和样例：
例句
- You have to be cautious when you use these radioactivity material.你们使用这些放射性物质的时候一定要非常小心。
- The radioactive material is stored in a special radiationproof container.放射性物质被储存在一个特制的防辐射的容器里。
- The radioactive material is stored in a special radiation-proof container.放射性材料贮存在防辐射的特殊容器内。
- Tongchuan city officials believe the radioactive material - and its protective container - are likely to have been melted down.铜川市官员认为，这快放射性材料，及其保护外壳，可能已经被熔化了。
- The formed active material in the stamped grids becoming loose in the grid openings and the battery failed.冲孔板栅形成后的活性物质在板栅的孔中变得松散，因而使蓄电池失效。
- Aromatase immunoreactive material was distributed in the cytoplasm with negative nuclei.芳香化酶免疫活性物质分布在胞质，核为阴性。
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[00:35.00]a/an [00:37.07]art.1.一(个) 2.任何一个 3.每,每一 [00:39.13]abandon [00:40.59]vt.1.抛弃 [00:42.06]abide [00:43.49]2.放弃. [00:44.93]ability [00:46.37]v.(by)坚持,遵守 [00:47.80]able [00:49.18]n.1.能力,智能 2.才能,才干
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