self-defensive的用法和樣例：
例句
用作形容詞 (adj.)
- The cute little opossum has a number of tricks up its defensive sleeve.
這種可愛的小動物自衛的本領很多。 - And why do we feel drawn together as a species, yet we steadily build up defensive barriers around our innermost feelings and beliefs so we can never be truly close to anyone?
作為同一種物種，為什麼我們感覺這樣親近，而為什麼我們又總是披上自衛的外衣，掩飾內心深處的情感和信念，使我們永遠無法真正相互接近？
