adjective 下载 🔗分享 观察性的,观测的 Relating to observation, especially scientific observation. Examples : "The scientist made an observational study of the birds in her backyard, carefully noting their behavior each day. " 这位科学家对她后院里的鸟类做了一项观察性研究,每天仔细记录它们的行为。 science biology physics astronomy environment medicine 与AI对话词汇游戏阅读练习