音标: 英 ['tritiәm]
1. tritium is an extremely rare and radioactive isotope of hydrogen.
氚是一个十分稀少的氢的放射性同位素
2. tritium is a gas that can be safely stored as a metal hydride.
氚是一种可以安全储存的金属氢化物
3. tritium is an important component in nuclear warheads and has to be replaced frequently because of its short halflife.
氚是核武军火商很看重的东西 而且需要经常更换 因为它半衰期很短
4. It's a test balloon carrying a shipment of black market tritium valued at over $12 million.
那是一个测试气球 装着价值超过1200万美元的黑市氚气