-
half life
half life汉语翻译：【医】 半衰期(放射性物质), 半存留期(化学性物质)英语解释：名词 half life:the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)同义词：half-life 例句：He's been lucky all...
发布时间：2026-06-11 浏览量：0