| 例句 |
Recent seizures of illicit plutonium and uranium are only the tip of the iceberg.最近几次起获的违禁钚和铀仅仅是冰山的一角。The plutonium can go critical and set off a chain reaction.钚可能会达到临界状态并引发链式反应。They can be used to change uranium into plutonium.它们可以用来把铀转变成钚。Engineers said that plutonium could begin seeping from the corroded sub.工程师说钚可能会开始从遭腐蚀的潜艇往外渗透。Uranium and plutonium are radioactive.铀和钚具有放射性。 |