The group did this first by puffing a chemical stimulus into the nose.
The group did this first by puffing a chemical stimulus into the nose.
该小组进行研究时首先对鼻内急速喷入一种化学刺激剂。
The group did this first by puffing a chemical stimulus into the nose.
该小组进行研究时首先对鼻内急速喷入一种化学刺激剂。