英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
irritar查看　irritar　在百度字典中的解释百度英翻中〔查看〕
irritar查看　irritar　在Google字典中的解释Google英翻中〔查看〕
irritar查看　irritar　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Vaccines and immunization - World Health Organization (WHO)
    Vaccination is a simple, safe, and effective way of protecting people against harmful diseases, before they come into contact with them It uses your body’s natural defences to build resistance to specific infections and makes your immune system stronger
  • Vaccines and immunization: What is vaccination?
    Vaccines protect us throughout life and at different ages, from birth to childhood, as teenagers and into old age In most countries you will be given a vaccination card that tells you what vaccines you or your child have had and when the next vaccines or booster doses are due It is important to make sure that all these vaccines are up to date
  • How do vaccines work? - World Health Organization (WHO)
    How vaccines help fight disease Vaccines contain weakened or inactive parts of a particular organism (antigen) that triggers an immune response within the body Other vaccines contain weakened or reconstituted virus or bacteria as a whole Newer vaccines contain the blueprint for producing antigens (DNA or RNA) rather than the antigen itself
  • Immunization, Vaccines and Biologicals
    The Immunization, Vaccines and Biologicals department is responsible for targeting vaccine-preventable diseases, guiding immunization research and establishing immunization policy
  • Recommendations for influenza vaccine composition for the 2026-2027 . . .
    The World Health Organization (WHO) today announced recommendations for the viral composition of influenza (or “flu”) vaccines for the 2026-2027 northern hemisphere influenza season The announcement was made following a 4-day consultation examining global influenza surveillance data
  • Statement on the antigen composition of COVID-19 vaccines
    The TAG-CO-VAC reconvened on 6-7 May 2025 to review the genetic and antigenic evolution of SARS-CoV-2; immune responses to SARS-CoV-2 infection and or COVID-19 vaccination; the performance of currently approved vaccines against circulating SARS-CoV-2 variants; and the implications for COVID-19 vaccine antigen composition
  • Better use of vaccines could reduce antibiotic use by 2. 5 billion doses . . .
    A new report by the World Health Organization (WHO) finds that vaccines against 24 pathogens could reduce the number of antibiotics needed by 22% or 2 5 billion defined daily doses globally every year, supporting worldwide efforts to address antimicrobial resistance (AMR)
  • World Immunization Week 2026 - 24 to 30 April.
    World Immunization Week, celebrated in the last week of April, aims to highlight the collective action needed and to promote the use of vaccines to protect people of all ages against disease
  • World Immunization Week 2026
    This year’s World Immunization Week theme, “For every generation, vaccines work”, aims to promote how vaccines have safely protected people, families, and communities for generations – and continue to safeguard our future
  • Vaccines and immunization: Vaccine safety
    Vaccination is one of the most effective ways to prevent diseases Over the past 50 years, essential vaccines against just 14 diseases have saved at least 154 million lives (1) During the same period, vaccination has contributed to 40% of the drop in infant deaths Together with governments, vaccine manufacturers, scientists and medical experts, WHO's vaccine safety programme is constantly





中文字典-英文字典  2005-2009