动词摆动
1. 摆动：library 库 | librate 摆动 | libration 振动
2. 保持平衡：libraryathenaeumatheneumlibraries 图书馆 | librate 保持平衡 | librationlibrations 天平动
3. 摆动 (动)：Library of Congress 美国国会图书馆 | librate 摆动 (动) | libration 缓慢摆动; 天平动; 平衡 (名)
verb
1. librate的反义词
1. vibrate before coming to a total rest
e.g. the children's swing librated
2. determine the weight of
e.g. The butcher weighed the chicken
Synonym: weigh