友情提醒：点击
，可以收听真人发音
，可以收听真人发音 
小测验：选择正确的单词
- 论坛新贴
undetectable ['ʌndi'tektəbl]
基本释义
- 不能探察
英英解释
2个形容词解释
- not easily seen
- barely able to be perceived
[同] indiscernible, insensible, undetectable
[例]- the transition was almost indiscernible
- an almost insensible change