1 [C,U] the action of entering another country with an army in order to take control of it 侵略；入侵: the threat of invasion 被侵略的威胁

2 [C] the action of entering a place where you are not wanted and disturbing sb 侵扰；侵犯: Such questions are an invasion of privacy. 这样的问题侵犯了隐私。 ☞verb invade 动词为invade