Benchmarking
[计] 确定基准点, 标记
🗣️ 情景例句
A lot of people come to openings
许多人参加开幕仪式
My uncle was a pilot with the airlines.He just retired.
我的叔叔是航空公司的一名飞行员，他刚退休了。
It's all about space and satellites.
全是有关宇宙和卫星的。