swot up英 [swɒt ʌp]美 [swɑːt ʌp]网络 刻苦攻读; 临阵磨枪英英释义verbstudy intensively, as before an examI had to bone up on my Latin verbs before the final examSynonym:cramgrind awaydrumbone upswotget upmug upbone双语例句