Các câu ví dụ cho từ must

1. With a capacity of minus 40 degrees Celsius to minus 90 degrees Celsius, the freezers can store vaccines that require extremely cold temperatures, including the Pfizer vaccine, which must be stored at minus 70-80 degrees Celsius.

2. In order to be selected, golfers must achieve a handicap of 3.

3. To transplant a kidney with different blood types, doctors must first stop the production of antibodies in the blood to avoid rejection.

4. Tran Minh Dien, director of the Vietnam National Hospital of Pediatrics, said pasteurized breast milk is considered a special medicine given to infants that are seriously ill and must be hospitalized.