...tritium, a radioactive isotope of hydrogen.氢的放射性同位素氚Tritium is one of the mildest radioactive isotopes.氚是最和缓的放射性同位素之一.chemically inert radioactive waste不易发生化学反应的放射性废弃物People should keep away from the radioactive waste...
The waste is safely locked away until it is no longer radioactive.废料被安全储存起来，直到其不再有辐射性。Wine is radioactive but few people stop drinking it on that account.酒是有放射性的，可是很少有人因此而戒酒。They were exposed to radioactive fallout durin...
这是用来说明质量与能量的可互换性.It is used as an illustration of the interchangeability of mass and energy.断路器更换非常简单, 手车互换性好.The circuit breaker replacement is extremely simple, handcart interchangeability good.范围内提供更高的速度, 互换性和更长的寿命.Th...
他以令人头晕的速度开车.He drove the car at dizzy speed.我们从使人头晕的高处往下看.We looked down from a giddy height.你能跟他们说一下我头晕的毛病 吗 ?Could you warn them about my vertigo?...