radioactive
🇬🇧 /ˌreɪdɪəʊˈæktɪv/
🇺🇸 /ˌreɪdiːoʊˈæktɪv/
📖 释义
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adjective
放射性的; 含放射性物质的; 极具争议的; 不稳定的（同位素）
🔗 详情
词形变化
比较级: more radioactive
最高级: most radioactive
常用搭配
radioactive wasteradioactive materialradioactive decayradioactive contaminationradioactive falloutradioactive isotope
派生词
radioactivityradioactivelyradioactiveness
同义词
radiatingatomicnuclear
反义词
non-radioactivestable
易混淆词
radiation
EN: 'Radiation' is the energy or particles emitted; 'radioactive' describes the property of a substance that emits radiation.
zh: 'Radiation'（辐射）指发射出的能量或粒子；'radioactive'（放射性的）描述了一种能发射辐射的物质的特性。
radiated
EN: 'Radiated' is the past tense of the verb 'radiate' (to emit energy); 'radioactive' is an adjective describing a substance capable of spontaneous nuclear decay.
zh: 'Radiated' 是动词 'radiate'（发射能量）的过去式；'radioactive' 是一个形容词，描述能够发生自发核衰变的物质。
拼写提示
EN: Written as one word without a hyphen ('radioactive', not 'radio-active'). Note the single 'c' and the '-ive' ending.
zh: 作为一个单词书写，不带连字符（'radioactive'，而非 'radio-active'）。注意只有一个 'c' 和以 '-ive' 结尾。
💬 例句
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The radioactive waste must be stored in a secure facility for thousands of years.
放射性废物必须在安全设施中储存数千年。
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Workers wore protective suits to handle the radioactive samples in the laboratory.
工人们穿着防护服在实验室处理放射性样本。
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After the scandal, the politician became radioactive and no one wanted to be seen with him.
丑闻发生后，这位政客变得声名狼藉，没人愿意和他在一起。
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Carbon-14 is a radioactive isotope commonly used in archaeological dating.
碳-14是一种常用于考古测年的放射性同位素。