He went online and ordered a gas mask.

于是，他上网订购了一套防毒面具。

But he also liked wearing a gas mask while doing so.

但他也喜欢骑车的同时带一个防毒面具。

This gas mask can immunize you against poison gas.

防毒面具能使你免遭毒气袭击。

Always use a gas mask when risking exposure to ammonia!

当直接接触氨时候一定要带防毒面具！

Plus gas mask and new Valentine's Day bandanna for all characters.

另外防毒面具和新情人的所有字符日手帕。