barrier block

基本解释

When cardboard was used as a barrier to block visual cues, the birds could still find the worms.
当用硬纸板当作隔板挡住更知鸟的视觉，结果它们仍然可以发现食物。
The skeletal foot also appeared a bit dim because the moving stripes of the parallax barrier block some of the screen's light.
脚骨看起来也有点暗，因为视差格栅的移动条纹遮断了萤幕的一些光线。
The JVM uses a memory barrier to block the threads, enforcing that the safepoint operation happens before the threads resume execution.
JVM使用记忆障碍阻止线程执行的操作，该之前发生的该线程继续执行。

The intimidating barrier seeks to block the flow of illegal border crossers, typically those seeking food and work in China or an escape route to South Korea.
NPR: North Korea Nuke Test Could Test China's Patience
Hollande and his party consider this a stumbling block but not a barrier to raising taxes.
FORBES: High Court Says 'Non' To Millionaire Tax in France
The Egyptian government has also ordered an underground barrier to be built along the border with Gaza, to block the tunnels.
ECONOMIST: The Gaza Strip