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Booster
01
ブースター, 推進ロケット
a rocket that gives a spacecraft or missile the extra power it needs to leave the Earth's atmosphere
02
ブースター, ブースター接種
an additional dose of vaccine required periodically in order to increase, maintain, or renew the effects of a previous one
What is a "booster"?
A booster is an extra dose of a vaccine given to strengthen the immune response after the first doses. Boosters are typically given after the first vaccination series to ensure long-term protection against certain diseases. They help strengthen the body's defense and provide added protection against infections that may decrease over time or need extra support.
03
信号増幅器, ブースター
an amplifier for restoring the strength of a transmitted signal
04
泥棒, 万引き
a thief who steals goods that are in a store
05
支持者, 促進者
someone who is an active supporter and advocate
06
支持者, スポンサー
a person who backs a politician or a team etc.
07
ブースター, 促進器
something that enables a person or thing to improve or increase
booster
n
boost
v
例
Some vaccines require boosters to maintain their effectiveness, even if they are live.
Using a rocket booster, they propelled the spacecraft into orbit.
