a broad spectrum

基本解释

A broad-spectrum, or full-spectrum, sunscreen is designed to protect you from both.
广谱（broad-spectrum）或全谱（full-spectrum）的防晒霜可以防止这两种紫外线造成的伤害。
Prulifloxacin, a new prodrug of ulifloxacin, is a broad-spectrum oral fluoroquinolone antibacterial agent.
普利沙星是新口服的氟喹诺酮类抗菌药。
A Broad-spectrum antibiotic applied to the Blisters can treat simple impetigo; more extensive cases, especially in infants, may require a systemic antibiotic.
广谱抗生素对无并发症的脓病疗效不错。若脓病延及身体较大面积（特别是婴儿患者），则应早期全身应用抗生素。

Second, the industry needs a broad-spectrum political and social engagement strategy.
FORBES: An Investigation Of The Global Anti-Fracking Movement
There is a vast collection of comments and analysis that says the best way to do that -- and this is vast, I mean, from a broad political spectrum -- the best way to do that is to take a balanced approach, significant cuts in defense -- I mean, in non-defense discretionary spending, significant cuts in defense spending, significant savings in entitlements, and significant savings from the tax code, plus interest.
WHITEHOUSE: Press Briefings
And the introduction by the Gang of Six of a concrete proposal put forward by six members of the Senate -- three Republicans, three Democrats, representing a broad ideological spectrum in American politics -- I think is a welcome development.
WHITEHOUSE: Press Briefing