名词

1.[U,C]观察；观测；监视

2.可数名词：（尤指据所见，所闻，所读而作的）评论

词形变化

形容词observational

副词observationally

英语解释

facts learned by observing

the act of observing; taking a patient look

the act of making and recording a measurement

the act of noticing or paying attention

a remark expressing careful consideration