所有的食物、饮水和通风系统全都被检测，但全部都通过，证实为无害。

All of the food, water and ventilation systems have all been detected, but all through, proved to be harmless.

youdao

所有的食物、饮水和通风系统全都被检测，但全部都通过，证实为无害。

All of the food, water and ventilation systems have all been detected, but all through, proved to be harmless.

youdao