radioisotopes
radioisotopes — 名詞
- radioisotopessingular
- radioisotopesesplural
1. a type of atom of a chemical element that is unstable and naturally releases ene
放射性同位素
會自發衰變並釋放輻射的化學元素原子
a type of atom of a chemical element that is unstable and naturally releases energy as radiation
Doctors used radioisotopes to find the tumour growing in Ada's left lung.
醫生使用放射性同位素來找出Ada左肺中生長的腫瘤。
plural form: radioisotopes used in medical imaging
Hari's team tracked the radioisotope as it moved through the soil layer.
Hari的團隊追蹤放射性同位素在土壤層中的移動情況。
Sade measured the radioisotope levels in the river after the factory leak.
Sade在工廠洩漏後測量了河水中放射性同位素的濃度。
A small amount of the radioisotope was injected into Kenji's bloodstream.
少量的放射性同位素被注射到Kenji的血管中。
The radioisotope decays slowly, losing half its energy every eight days.
放射性同位素緩慢衰變，每八天失去一半的能量。
- radioactive isotope
more common in everyday explanations; same meaning but longer
- radionuclide
more technical; used mainly in nuclear physics and medical literature
- stable isotope
an isotope that does not decay or give off radiation
用法筆記
Technical term used mainly in chemistry, medicine, and physics. Do not confuse with 'isotope' alone — many isotopes are stable and do not give off radiation.