The last process is the opposite of the second: it’s adiabatic, so the gas is compressed but its heat doesn’t change.

最后一与第二相反：它绝热的， 所以气体被压缩但它的热量不变。

The last process is the opposite of the second: it's adiabatic, so the gas is compressed but its heat doesn't change.

它静态的 热，因此，气体被压缩，但它的温定的。

If you're talking about tranquilizer darts, you're probably referring to the kind that are shot out of an air rifle using compressed gas, though they can also be fired from crossbows or blowguns.

如果您谈论的镇静剂飞镖，您可能指的使用压缩气体从气步枪中射出的那种，尽管它们也可以从弩或吹气枪中发射。