英语词源
- observative (adj.)
- 1610s, from Latin observat-, past participle stem of observare (see observe) + -ive.
权威例句
- 1. Methods: The patients were divided randomly, observative group and contrast, comparing the effect Thecontrast group.
- 方法: 将腰椎间盘突出症患者,随机分为治疗组和对照组,进行疗效比较.