... bone up on 指在一段短暂的时间内对某一特定的题目进行专注的研究 bone-weary十分厌倦的 bonkers 发狂似的,古灵精怪的 ...
双语例句
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Climate change will force bone-weary birds migrating to Europe from Africa to log extra mileage, with possibly devastating consequences, according to a study released on Wednesday.
So flipping boneweary, in fact, that he figured sleeping for a hundred years would make a great way to spend his next time off— whenever that might happen.