名词意思是，牛肉；肌肉；力气；牢骚。
动词意思是，抱怨；告发；加强。
例句，1、Do you like stewed beef?你喜欢吃炖牛肉吗?
2、Africa is exporting beef to Europe.非洲向欧洲出口牛肉。
3、He's got plenty of beef.他肌肉发达。
4、My beef is that it took too much time.我的抱怨是太花时间了。
5、He is f
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名词意思是，牛肉；肌肉；力气；牢骚。
动词意思是，抱怨；告发；加强。
例句，1、Do you like stewed beef?你喜欢吃炖牛肉吗?
2、Africa is exporting beef to Europe.非洲向欧洲出口牛肉。
3、He's got plenty of beef.他肌肉发达。
4、My beef is that it took too much time.我的抱怨是太花时间了。
5、He is f