Observator
观测器
🗣️ 情景例句
Sorry, I don't quite understand why...
对不起，我不太理解为什么…
First think, and then speak.
先想后说。
In the first instance, we would be looking for plant life, rather than 'little green men'.
首先我们要寻找植物，而不是那种“小绿人”。