attenuated virus的用法和樣例：
例句
- GlaxoSmithKline dusted off its program and pressed forward with a new monovalent vaccine derived entirely from a single attenuated human strain.
葛蘭素史克取出塵封許久的計畫(huà)，以單一減弱型的人類(lèi)輪狀病毒品系制成全新的單價(jià)疫苗，重新投入戰場(chǎng)。 - The test gave consistently positive results with virulent virus.
用強毒病毒時(shí)，此試驗恒定地呈現陽(yáng)性結果。
