He may break out in a rash when he eats these nuts.他吃了这些坚果可能会长皮疹。Every morning I would break out in a sweat.每天早上我都会出一身汗。They died, to a man, when they tried to break out.他们企图逃走的时候全都丢掉了性命。...
Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 ( actinium ) through 103 ( lawrencium ).锕类任何化学性质相似, 原子序数在89 ( 锕 ) 与103 ( 铹 ) 之间变化的放射性元素.The extraction mechanism and separat...