Using the same method, they also ruled out the possibility that the emperor had been poisoned over a long period of time or by taking too much Chinese medicine.

使用同样的方法，他们同样排除了光绪皇帝被长期下毒或者服用过多中药的可能性。

youdao

And taking selenium over a long period of time could have toxic effects, they found.

他们还发现，长期食用硒可能会产生毒性效应。

youdao

Make sure your healthcare professional knows if you have been taking an OTC PPI drug for a long period of time.

如果您长期使用非处方药类质子泵抑制剂，请务必告知您的医疗保健专业人员。

youdao

PDAs remained effective tools for retrieving bits of data on the run as long as they had been synced and poor tools for taking notes for an extended period of time.

ENGADGET: Switched On: Longhorn hardware advances could give PDAs a one-two punch