As a rule you want to stay upwind .

这滑翔机的规则令你尽量得呆在上风。

The fallout stretched roughly 20 miles upwind of the island .

原子尘埃遍及该岛上风处约20英里一带。

I 'm upwind and I smell it on you , billy .

我是逆风我能闻到你身上的味道，彼利.

I go upwind and then stop .

我往上风跑然后失速停下来了。

If we 're upwind of the wolves they may smell us .

如果我们处于狼的上风位置，它们就能闻到我们的气味。