A booster is a rocket that helps a spacecraft get more power to leave Earth or makes a missile go farther.
The booster ignited and propelled the spacecraft into orbit.
ブースターが点火し、宇宙船を軌道に推進しました。
A booster is a device that gives more power to an electrical machine.
The booster increased the voltage for the electrical system.
ブースターが電気システムの電圧を高めました。
A booster is an extra dose of a vaccine that is given to increase its effectiveness, like protecting you from a disease for a longer time.
She needed a tetanus booster shot after stepping on a rusty nail.
錆びた钉に足を踏んだ後、彼女は破傷風のブースター注射が必要ですでした。
A booster is something that helps, encourages, or improves a person or thing.
The new coach was a real morale booster for the team.
新しいコーチはチームの士気を本当に高める存在でした。
A booster is a person who supports someone or something, especially in politics.
The senator had many boosters at the fundraising event.
上院議員は募金イベントで多くの支援者を持っていました。