But that would not be a lifting surface.

但这不会是一个升力面。

If we get it like this, I mean, that's clearly a second lifting surface.

如果我们像这样得到它，我的意思是，这显然是第二个升力面。

12. BREUER: That canopy's not necessarily a lifting surface.

1.12. BREUER：那个顶篷不一定是升力面。

I mean, you really have to have an airfoil to make it a lifting surface.

我的意思是，你确实必须有一个机翼才能使其成为升力面。