The other big hurdle is size: the batteries are still too big. Alok Jha
另外还有一大障碍，那就是电池的大小：目前，锂离子电池仍然太大。
Jha was not one of the study investigators.
可杰哈不是这个项目的研究者之一。
Doctor Ashish Jha the report's author said the WHO should be alert sooner.
报告作者阿希士？吉哈医生认为，世卫组织应该早有警觉。
Doctor Ashish Jha the report's author said the WHO should be alert sooner.
报告作者阿希士？吉哈医生认为，世卫组织应该早有警觉。
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