boosterKK [ˋbustɚ] /ˈbustɚ/發音boost 推升、增強+-er …的人或物→起推升、增強作用的人或物展開收合boost單字推升、增強-er字尾…的人或物字面：起推升、增強作用的人或物用來增強效果的東西，可指加強劑、助推器或放大器。名詞1加強劑、追加劑量、補強針醫學I got my second booster at the clinic last Friday.我上週五在診所打了第二劑加強劑。2強心針、助力、激勵Winning the first match was a huge confidence booster for the team.贏下第一場比賽對球隊的信心是很大的助力。3助推器、推進火箭The rocket's boosters separated about two minutes after liftoff.火箭的助推器在升空約兩分鐘後分離。4增強器、放大器We installed a signal booster to fix the weak reception upstairs.我們裝了訊號增強器，解決樓上收訊差的問題。5支持者、擁護者美式She has always been a booster of small local businesses.她一直是本地小型商家的支持者。6增高座墊、兒童安全座墊My daughter still needs a booster in the back seat.我女兒坐後座還是需要增高座墊。