长效

chángxiào

HSK 7

长效 — chángxiào

  1. effective over an extended period; long‑lasting

    这种疫苗具有长效保护作用。 zhèzhǒng yìmiáo jùyǒu zhǎngxiào bǎohù zuòyòng — This vaccine provides long‑lasting protective effects.