back to entry
0/50
serum
mastery UK /ˈsɪəɹəm/ US /ˈsɪɹəm/noun
card 1 of 10 · fill in the blank
The doctor decided to _____ the serum into the patient's arm to provide immunity.
card 1 of 10 · fill in the blank
The doctor decided to _____ the serum into the patient's arm to provide immunity.