单词：active center
active center的用法和样例：
例句
- The production of polymer in each case involves the rapid addition of monomer to a few active centres.在各种情况下聚合物的生成都是单体对少数几个活性中心的快速加成。
- You need your student ID to get into the student recreation center.你要有学生证才能进入学生活动中心。
- The first one is the construction of the Oberlin Student Center.其一，建构奥柏林学生活动中心。
单词：active center 相关文章
[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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