booster shot

同根派生

A tetanus booster shot may be required if a wound is deep or dirty.
但如果傷口很深或很髒的話，需要接種破傷風加強劑。
They hoped their findings would settle the question of whether a booster shot was needed for hepatitis B.
他們希望研究結果能解決是否須要注射乙型肝炎疫苗加強劑的問題。
And there are questions about whether it confers lifetime immunity or if a booster shot will be needed.
然而問題是，疫苗是否能提供終生免疫或者說是否需要再加強一針。
Doctors suggest getting a tetanus vaccination every ten years.A tetanus booster shot may be required if a wound is deep or dirty.
毉生建議每十年打一次破傷風疫苗.;如果傷口很深或者比較惡劣，可能需要接受破傷風後續注射。
Doctors suggest getting a (taxed nurse* vexition*)tetanus vaccination every ten years.A tetanus booster shot may be required if a wound is deep or dirty.
毉生們建議每十年接種破傷風疫苗，如果傷口深而且有賍物，則需要打破傷風調節劑了。