protecting somebody/something against attack 防御的；保护的；保卫的 As a defensive measure he built a series of coastal forts and watchtowers. 作为防御措施，他建造了一系列沿海堡垒和了望塔。 These are purely defensive measures. 这些纯粹是防御措施。 Troops took up a defensive position around the town. 部队在全城采取了守势。
Oxford Collocations Dictionaryverbs- be
- purely
- essentially
- largely
- …
behaving in a way that shows that you feel that people are criticizing you 戒备的；怀有戒心的；自卫的 He is extremely defensive about his work. 一谈起他的工作他就变得极有戒心。 Her manner was oddly defensive, as he hadn't intended any criticism at all. 她那种防备的态度真是莫名其妙，因为他一点批评她的意思都没有。 Whenever anyone mentions women's rights, he gets rather defensive. 不论何时有人提及女权问题，他就变得戒心重重。
Oxford Collocations Dictionaryverbs- be
- feel
- look
- …
- extremely
- fairly
- very
- …
- about
- (
sport 体育 connected with trying to prevent the other team or player from scoring points or goals 防守的 defensive play 防守型打法 a largely defensive campaign 以防御为主的战役
Word Originlate Middle English: from Old French défensif, -ive, from medieval Latin defensivus, from Latin defens- ‘warded off’, from the verb defendere, from de- ‘off’ + -fendere ‘to strike’.