inroad

• 名词，指入侵或侵犯他人领土，或对敌方领土的敌对攻击；也指对某事物的侵蚀或侵占。

A noun referring to an encroachment or intrusion into another's domain, or an invasion or hostile attack into enemy territory.

1. Encroachment or intrusionC1formal

   An advance or penetration into a territory, domain, or area of activity, often implying a gradual or unwelcome effect.

   侵入或渗透

   • The new technology made significant inroads into traditional manufacturing.
   • The company's aggressive marketing made inroads into the competitor's market share.
   • The disease made inroads into the population before a cure was found.

   同义词encroachmentincursioninfringementintrusioninvasiontrespass

2. Invasion or hostile attackC1formal

   A sudden or hostile incursion into a region or territory, typically by a military force.

   入侵

   • The army made an inroad into enemy territory under the cover of darkness.
   • Historical records describe the Viking inroads along the coast.
   • The general planned a swift inroad to disrupt the enemy's supply lines.

   同义词assaultattackforayincursioninvasionirruptiononslaughtraid

   反义词defenseretreatwithdrawal