1. Unlawful incursion has been threatening the safety of computer network system. 非法入侵一直威胁着计算机网络系统的安全。
2. Palestinian family rests in the rubble of its home in east Jebaliya after the Israeli incursion into Gaza on Jan. 16. 1月16日，以色列侵入加沙地区之后，加沙杰巴利亚贫民区一户人家在变为废墟的家中休息。
3. Israel began a ground incursion inside Gaza today with a significant number of troops backed by tanks and helicopters. 今天，以色列在加沙范围内开始地面攻势，以色列众多数量军队配备了坦克和战斗直升机。
英英解释
n.
1. the act of entering some territory or domain (often in large numbers)
2. an attack that penetrates into enemy territory
3. the mistake of incurring liability or blame
