broad spectrum
广谱
双语对照
词典结果：
broad spectrum
[英][br?:d ?spektr?m][美][br?d ?sp?ktr?m]
广谱;
例句:
1.
Sunscreen products that pass a new fda test will now say 'broad spectrum,' followed bythe product's spf, to indicate its effectiveness for both types of rays.
通过新的fda测试的防晒产品现在将在产品spf值后注明“广谱”，以表明其对两类紫外线均有效。