单词	cleanliness
释义	n [U] being clean 清洁; 乾净.
随便看	human(humane) hunger after(hunger for) hurtinjure(wound) if only(as long as, so long as) if only(only if) if … but(if only, if ... only) if(in case) if(provided （ that ）) if(unless) if(when) if(whether) ill(sick) illegal(unlawful) illustrative(illustrious) imaginary(imaginative) immeasurable(unmeasured) immediately(just now) imperial(imperious) imply(infer) impracticable(impractical) in a matter of(in the matter of) in a moment(in the moment) in a short time(in a little while) in a state(in a way) in a temper(out of temper)