Level 6 · word 14,300 of 20,000

observational

/ˌɑːbzərˈveɪʃənəl/ American
  • adj. 观察的, 观测的
Definition
  • adj. based on or involving careful watching or observation
Example
The scientist kept careful observational notes during the long experiment.
科学家在这场漫长的实验中仔细记录了观察笔记。