Wall of Ectoplasm. You create a protective barrier.

星质墙：你创造一个保护性的障碍物。

youdao

Here you build a protective barrier against the antipattern.

您在这里构建一个隔开反模式保护性的屏障。

youdao

Helen: This way, the milk acts as a protective barrier between the cup and the hot tea.

如果要避免这种现象，那就应该先在杯子里加点冷牛奶，再倒热茶。

youdao

The aim should be to aggressively create what he calls a "protective barrier" against loneliness.

VOA: special.2010.01.06

The fibers form a protective barrier against gunfire.

VOA: special.2011.03.01

As a crowd gathered, a man with two kids sidled up against the protective barrier around the mousetrap.

CNN: This 'Mousetrap' can crush a car -- and teach physics

Placing a heat protective barrier between the skin and laptop, or placing the computer on a hard surface is generally recommended to prevent the condition from developing.

FORBES: Some Like It Hot

For the remaining decade he and some hired engineers improved the aqua- barrier design, adding new products like protective sand-filled barrels and the first collapsible crash-cushions.

FORBES: Crash course