Zhè zhǒng fàngshèxìng hésù de bànshuāiqī hěn duǎn.
This radionuclide has a very short half-life.
Tips
memory
放射 (emit rays) + 性 (-ness) + 核素 (nuclide, lit. 'nucleus element') — a radioactive form of a nuclide. 核素 is the standard term for nuclide in Chinese physics.