（六）放射性同位素，是指化学元素中具有相同原子序数，但质量不同且能发生放射性衰变的核素。
"As soon as we're able too, we've got to go," he added.，详情可参考旺商聊官方下载
Гангстер одним ударом расправился с туристом в Таиланде и попал на видео18:08，更多细节参见heLLoword翻译官方下载
Raise the Playboy pants like a pirate flag. Twirl the big brimmer in celebration. It was always going to be Shane, really, wasn’t it.