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. Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 ( actinium ) through 103 ( lawrencium ).
Mari refolded the darned pullover and socks.玛丽把织补过的套头衫和袜子重新叠好。Expressed proteins as inclusion bodies were solubilized , refolded and purified by GST affinity chromatography.表达产物为包涵体形式,溶解和折叠后,以GST亲合层析色谱纯化....
他命令他们把几个枕头叠放在自己的背后。He ordered them to stack up pillows behind his back.萨姆舒服地枕着枕头进入了梦乡。Sam snuggled down in his pillow and fell asleep.他把闹钟塞在枕头底下，想减低声音。He tried to muffle the alarm clock by putting it under his pillow....