| EXAMPLE SENTENCES | ||
|---|---|---|
放射性同位素在现代医学中占有重要位置。 Radioisotopes have a vital role to play in modern medicine. | ||
造纸公司要空气针和放射性同位素干什么?。 Why would a paper company need pneumatic needles with a radioisotope? | ||
重元素中的大量放射性同位素分属于三个系列。 The large number of radioactive isotopes among the heavy elements fit into three series . | ||
重元素中的大量放射性同位素分别属于三个系列。 A large number of radioactive isotopes among the heavy elements are of three series. | ||
这座城市面临的最大问题就是处理铯—137，这是一种半衰期为30年的放射性同位素。 The city's challenge, chiefly, is to dispose of cesium-137, a radioactive isotope with a half-life of 30 years. | ||
这些物质被称作“放射性同位素”—同一种元素的变种，他们具有异常的中子数量，频繁的衰变和放出辐射。 These materials are known as "radioisotopes" -versions of an element that, because they have an abnormal number of neutrons, frequently decay and release radiation. | ||
她经常把装有放射性同位素的试管放在口袋里，对试管里发出的漂亮的蓝绿光赞不绝口。 She had often carried test tubes containing radioactive isotopes in her pocket, remarking on the pretty blue-green light they gave off. | ||
