Half-Life是什么意思 Half-Life的读音、翻译、用法

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'Half-Life'这个词源于英语,翻译成中文为“半衰期”,是指某种物质在经过一定时间后,其数量会减少一半的时间。

以下是9个含有'Half-Life'的例句:

1. The half-life of uranium-238 is about 4.47 billion years. (-238的半衰期大约为44.7亿年。)

2. The doctor explained to the patient the half-life of the medication he was taking. (医生向患者解释了他正在服用的药物的半衰期。)

3. The radioisotope has a short half-life, so it must be used quickly before it decays. (这种放射性同位素的半衰期很短,因此必须在衰变之前迅速使用。)

4. The half-life of carbon-14 is used in archaeology to determine the age of ancient artifacts. (碳-14的半衰期被用于考古学中确定古代文物的年龄。)

5. The half-life of caffeine is about 5 hours. (的半衰期大约为5小时。)

6. The half-life of strontium-90 is about 28 years. (锶-90的半衰期大约为xx年。)

7. The half-life of a financial asset refers to the time in which its value decreases by half. (财务资产的半衰期指其价值减半所需的时间。)

8. The half-life of the drug in the body will determine how often it needs to be taken. (药物在体内的半衰期将确定其需要多久服一次。)

9. The half-life of a relationship can vary depending on the individuals involved. (一段关系的半衰期可以因涉及的个人而有所不同。)

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