形容词
中文翻译：Unknown
同义词：
['resistant', 'tenacious', 'tenacious', 'tenacious']
例句：
-
1. The scientist was very retentive about his findings.
这位科学家对自己的发现非常保守。
-
2. The book is filled with examples of retentive behavior.
这本书充满了固执行为的例子。
-
3. She was a tenacious worker who refused to give up easily.
她是一个固执的工作者，不会轻易放弃。