Red Hat's Ingo Molnar implemented this idea in his "exec-shield" patch, which is used by Fedora core (the freely available distribution available from Red Hat).
Red Hat的Ingo Molnar在他的“exec - shield”补丁中实现了这种思想，该补丁由Fedora核心(可从Red Hat获得它的免费版本)所使用。
2
You might want a hat or cap to shield your eyes from the sun.
你可能想要一顶帽子或者软帽，来挡住眼睛使其不受阳光的伤害。
3
Michael often wears a hat and carries an umbrella to shield himself from the sun rays.