effective half-life实际: reality; practice半衰期: half-life period; half-time; ...半衰期: [物理学] half-life period; half-time; half-value period; [核物理] radioactive half-life半寿期,半衰期: half-times半衰期,半寿期: half-life time下载手机词典可随时随地查词查翻译
