half-life

英 ['hɑ:flaif] 美
  • n. [核] 半衰期
half-life
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half-life (n.)
also halflife, half life, 1864, "unsatisfactory way of living," from half + life; the sense in physics, "amount of time it takes half a given amount of radioactivity to decay" is first attested 1907.
1. Elliott crossed the finish line just half a second behind his adversary.
埃利奥特跨过终点线时仅比对手落后半秒钟。

来自柯林斯例句

2. She'd half expected him to withdraw from the course.
她多少已经预料到他会中途就退出这门课程。

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3. The French, who led 21-3 at half time, scored eight tries.
上半场以21:3领先的法国队有8个达阵得分。

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4. The curtains were half drawn to cut out the sunlight.
窗帘拉上了一半以遮挡阳光。

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5. From what I hear, half the campus is lusting after her.
从我听到的来看,半个学校的人都想和她上床。

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