defenseless
/dɪˈfɛnsləs/ 形容词 B2中文： 无防御的、手无寸铁的、毫无防备的
- Lacking any form of defense; vulnerable; open to attack.
来自图书馆
The reason the beasts give among themselves is that Man is the weakest and most defenseless of all living things, and it is unsportsmanlike to touch him.
在真实文章中学习defenseless
注册免费账号后，在图书馆中把鼠标悬停在任何单词上即可看到意思，还能听朗读、收藏单词并按你的记忆安排复习，看到每本书你已经认识多少。