Indagate
v. 调查, 研究
🗣️ 情景例句
Fine. And you?
很好。你怎么样？
We've only sold our product at trade fairs, not in an on-going sales campaign.
我们的产品只在商展时展售，而没有办促销活动。
This is a good photograph.Who are these people?
这是一张很好的照片。这些人是谁。