名词
中文翻译：Unknown
同义词：
['biparents', 'dual', 'double', 'twofold']
例句：
-
1. The parents are very supportive of their children's education.
父母非常支持孩子们的教育。
-
2. This is a double-edged sword that can be used for good or evil.
这是一把双刃剑，既可以用于好也可以用于恶。
-
3. The teacher gave us twofold advice on how to improve our study habits.
老师给了我们关于如何改善学习习惯的两重建议。