defensiveKK [dɪˋfɛnsɪv] /dɪˈfɛnsɪv/發音de- 向下、除去+fens 打擊、擋+-ive 形容詞→把打擊擋開的展開收合de-字首向下、除去fens字根打擊、擋-ive字尾形容詞字面：把打擊擋開的能擋開來襲的攻擊 → 防禦的、有防衛心的形容詞1防衛的、防禦的、自衛的The wall was built for defensive purposes centuries ago.這道城牆是幾個世紀前為了防禦而建的。2戒備的、防衛心強的、過度辯解的He gets defensive whenever anyone questions his methods.只要有人質疑他的做法，他就會擺出防衛的姿態。3防守的體育Their defensive play in the second half was outstanding.他們下半場的防守表現非常出色。4防禦性的、保守安全的多指駕駛Defensive driving can help you avoid most accidents.防禦性駕駛可以幫你避開大部分的事故。名詞1守勢、防守姿態常用於 on the defensiveThe candidate was on the defensive throughout the debate.這位候選人在整場辯論中都處於守勢。