英语词汇“bone up on”的意思、释义、用法及双语翻译-时代网

词汇	bone up on
释义	phrasal verb She had boned up on the city's history before the visit. 她在前往这个城市之前先对它的历史研究了一番。
随便看	grinders grinding grinding grindingly grindingly grind on grind out grind out something grind out sth grinds grind sb down grind somebody down grind somebody ↔ down grind something out grind something ↔ out grind sth out grindstone grindstones grind teeth grind to a halt grind your teeth grin from ear to ear gringo gringos grinned 习知习练习而不察习艺习见习语习诵习闻习静习非成是习非胜是习题习风乡乡丁乡下乡下人乡下佬乡下老乡下脑壳乡乐乡井乡亲乡亲里道乡人

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