"a bony substance" "the bony framework of the body"
"I had to bone up on my Latin verbs before the final exam"
"bone the turkey before roasting it"
The plain bones of the matter is just this: if you're prepared to work..we shall get on splendidly.
Here the bones of the land showed, lumps of smooth grey rock.
牛津高阶第八版
美国韦氏词典
Dictionary.com
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维基百科 (自由的百科全书)