Something that is insidious is unpleasant or dangerous and develops gradually without being noticed. 潜伏的; 暗中为害的
adjective [原级] <正式>潜伏的,隐袭的;阴险的,狡猾的
The changes are insidious, and will not produce a noticeable effect for 15 to 20 years. 变化是悄然发生的,15到20年间不会产生明显效果。
- insidious 出现在下面的课文中(提供视频、音频及笔记等可系统性学习)
- Lesson 47 Too high a price? insidious 形容词: 暗中为害的