Spectroanalysis
光谱分析
🗣️ 情景例句
Different kinds of activities, such as commenmorative meetings, planting trees,
举行各种各样的活动，例如召开纪念大会，植树造林，
We are looking forward to our vacation.
我们盼望着假期的到来。
You are just saying that.
你只是说说而已。