Narrowest
狭隘的（ narrow的最高级 ）\\n狭窄的\\n（种类或数目）有限的\\n狭义的
🗣️ 情景例句
These knives are guaranteed never to go blunt.
这些刀保证不会变钝。
We can't make a decision without knowing the facts.
我们不能不知道事实，就作决定。
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。