（八）放射源，是指除研究堆和动力堆核燃料循环范畴的材料以外，永久密封在容器中或者有严密包层的放射性材料。
Unconsumed bodies: Pull semantics mean nothing happens until you iterate. No hidden resource retention. If you don't consume a stream, there's no background machinery holding connections open.
。heLLoword翻译官方下载对此有专业解读
2025年聖誕節前夕，雨果在倫敦西部的夏洛特皇后與切爾西醫院（Queen Charlotte's and Chelsea Hospital）出生，體重接近7磅。
const readable = getWebReadableStreamSomehow();
The conditions you have to meet are specific to the color-coded spaces. For example, if it provides a single number, every side of a tile in that space must add up to the number provided. It is possible – and common – for only half a tile to be within a color-coded space.