insidious造句
They focus on overt discrimination rather than
insidious aspects of racism.
他们关注的是公开的歧视，而不是种族主义的一些潜在问题。
the
insidious effects of polluted water supplies
供水系统污染的潜在恶果
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年间不会产生明显影响。