单词	now it is said
释义	英華字典資料庫同義詞☞präsens
随便看	half-life (period) half-life period half life (period)-- half-value period-- half period half life (period)--half-value period-- half period half life (period)， half-value period， half period half-life radioactive half-life-- radioactive half-life， apparent half-life， biological half-life， effective half life ， half-value period， half period half-life， radioactive half-life， residence half-light halflin half line half-line half-lined half-line pulse halfling halflings half lingual and half dental half lining half-liter half-lives