ballast
ballast resistor ballastron ballboy ballcock ballerina ballet ballet-dancer balletic balletomane balletomania ballgirl ballista ballistic ballistic method ballistic missile ballistician ballistics ballistocardiogram ballitocardiography ballocks balloon balloon antenna balloon barrage balloon tire balloon vine ballooner balloonist ballot ballot-box |
ballast /'bæləst/
danh từ
ngoại động từ
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