Observational error
[计] 观察误差
🧩 词语组成解析
a. 观察的, 观测的\\n[计] 观察的
🗣️ 情景例句
That's wonderful!
真出色！
Don't they believe it's necessary?
他们难道不认为它是必要的吗？
Very excited, the party dug a hole two feel deep.
队员们异常激动，就地挖了一个两英尺深的坑，