![VI](https://api.langeek.co/v1/assets/flags/vi.png)
Tìm kiếm
Observation
Ví dụ
Cosmological observations provide data about the expansion of the universe.
Observations of the cosmic microwave background support the idea of inflation.
Observations of other star systems confirm the universality of Kepler's laws.
The detective made an observation about the unusual pattern of footprints at the crime scene.
The scientific method involves systematic observation, measurement, and experimentation.
Thẻ Có Thể Chia Sẻ