1
bone of contention
固定短语，意为‘争论的焦点’。
The division of the estate became a bone of contention among the heirs.
遗产分配成为继承人之间争论的焦点。
骨头；骨；鱼刺
先理解核心含义，再看它在真实句子里的用法。
骨头；骨；鱼刺
One of the hard parts that form the skeleton of a person or animal; a piece of bone, such as a fishbone.
The division of the estate became a bone of contention among the heirs.
遗产分配成为继承人之间争论的焦点。
一种复合材料,主要由磷酸钙和胶原蛋白组成,构成大多数脊椎动物的骨骼
A composite material consisting largely of calcium phosphate and collagen and making up the skeleton of most vertebrates.
构成脊椎动物骨骼的坚硬结缔组织
rigid connective tissue that makes up the skeleton of vertebrates
由这种材料制成的内骨骼的任何组成部分
Any of the components of an endoskeleton, made of this material.
构成骨骼的多孔钙化物质
the porous calcified substance from which bones are made
The dog buried a bone in the backyard.
狗在后院埋了一根骨头。
She broke a bone in her arm when she fell off the bike.
她从自行车上摔下来，手臂骨折了。
Calcium is important for strong bones.
钙对强健骨骼很重要。
固定短语，意为‘争论的焦点’。
The division of the estate became a bone of contention among the heirs.
遗产分配成为继承人之间争论的焦点。
固定短语，表示‘到极点’或‘彻底地’。
The wind chilled me to the bone.
寒风刺骨。
名词短语，指骨骼的构造。
The artist studied the bone structure of the human hand.
艺术家研究了人类手部的骨骼结构。
可数名词，指一根骨头。
The dog buried a bone in the backyard.
狗在后院埋了一根骨头。
Not this
I found bone in the chicken.
Use this
I found bones in the chicken.
中文‘骨头’常以复数形式出现，英语中可数名词‘bone’在指多根骨头时需加复数标记‘-s’；这里‘bone’作为可数名词泛指多根鸡骨头，应为复数。
Not this
He broke bone in his leg.
Use this
He broke a bone in his leg.
中文‘骨头’可作泛指，英语中可数名词‘bone’单数形式前需加不定冠词‘a’表示‘一根骨头’；此处缺少冠词导致语法错误。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
骨髓
The doctor extracted a sample from his bone marrow for testing.
医生从他的骨髓中提取了样本进行检测。
骨骼结构
The artist studied the human bone structure to improve his drawings.
这位艺术家研究了人体骨骼结构以提高他的绘画水平。
骨密度
Older people should have their bone density checked regularly.
老年人应定期检查骨密度。
骨瓷
She collected fine bone china teacups from England.
她收藏来自英国的精致骨瓷茶杯。
骨碎片
The surgeon removed a small bone fragment from the wound.
外科医生从伤口中取出了一小块骨碎片。
骨骼疾病
Osteoporosis is a common bone disease affecting many seniors.
骨质疏松症是一种常见的骨骼疾病，影响许多老年人。
争论的焦点
The new policy has become a major bone of contention among the staff.
新政策已成为员工争论的焦点。
对…直言不讳
He made no bones about his dissatisfaction with the decision.
他毫不掩饰对这个决定的不满。
有意见要提；有怨气要发泄
I have a bone to pick with you about the way you treated my friend.
我对你对待我朋友的方式有意见。
源自《圣经·以西结书》37:3，上帝问先知以西结枯骨能否复生，后常被引用表示看似无望之事能否重获生机。
The dog buried a bone in the yard.
狗在院子里埋了一根骨头。
出自1999年电影《神秘拼图》（The Bone Collector），主角林肯·莱姆（丹泽尔·华盛顿饰）是一位瘫痪的犯罪学家，自称“骨收集者”，通过分析骨骼线索破案。
She broke a bone in her foot while running.
她跑步时脚上的一块骨头骨折了。
Use bone naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把'bone'联想成'本'，骨骼是身体之本。
中性语域，多用于医学、生物学、烹饪及日常描述。
注意：bone在表示“骨头”时为可数名词，表示“骨质”或“骨色”时为不可数名词。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.