Các câu ví dụ cho từ onset

1. For about six months from the onset of the condition, she did not check in until her knee swelled up and she was unable to walk.

2. "People do not wear masks regularly, and with the onset of winter, negligence could cause new infections in the community, stymieing all efforts to contain the disease, he said.

3. "There’s a closed irrigation system, but due to the quick onset of salinization and high salinity levels, the system cannot provide water for farmers to grow their crops.