Two months later, the other Fang was attacked with a chemicalspray and a hammer, escaping with minor injuries.
两个月后另外一个方被化学药品和铁锤袭击，受了点小伤而幸免逃脱。
2
The spray, based on a natural brain chemical, could be effective within two hours, compared to several days for some of the most widely used antidepressant drugs.
该喷剂以天然大脑化学物质为基础，两小时内就可见效，而通常使用的抗抑郁药要几天才见效。
3
Two percent capsaicin bear spray is advertised at 3.3 million units, and pure capsaicin - the chemical that causes the pain - hits 16 million.