Like how am I not just exhaling carbon dioxide into your lungs instantly killing you?

比如我怎么才能不把二氧化碳你的肺部然后让你立刻毙命呢？

In a similar fashion soldiers stationed in Vietnam have been documented shotgunning marijuana, where one soldier inhales from a joint, then exhales the smoke into the receiver of a shotgun, propelling it down the barrel.

有记录显示，驻扎在越南的士兵也以类似的方用霰弹枪吸食大麻，一名士兵从一支卷烟中吸，然后将烟雾霰弹枪的机匣中，将其推枪管。

Okay, that's basically it for " call into" .

好的，基本上就是“”。

" Call-in" refers to someone who is calling by telephone to get help on something.

“” 是指某人通过电话寻求某事的帮助。

I have done inbound and outbound call center work.

我做过和出叫中心的工作。