As the construction of the ITER tokamak enters its next phase — the machine assembly — now is a good time for a recap of the history and current status of nuclear fusion research.

中文翻译：

---

融合的前路。

随着 ITER 托卡马克的建造进入下一阶段——机器组装——现在是回顾核聚变研究历史和现状的好时机。