booster (rod)

• 增益棒

英英释义

名词 booster:

1. a person who backs a politician or a team etc.

2. someone who is an active supporter and advocate

3. a thief who steals goods that are in a store

4. an amplifier for restoring the strength of a transmitted signal

5. the first stage of a multistage rocket

6. an additional dose that makes sure the first dose was effective