A bone of contention
争论的原因
🧩 词语组成解析
bone
[bon]
n. 骨头;尸骨;骨质物;有…样的骨头的;
vt. 挑鱼刺，剔骨头;剔去…的骨;
vi. 苦学;专心致志;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Do? I don't know.
读什么 ？我不知道。
My aunt will come to live with me for some days.
我阿姨会来和我住一些日子。
Some people have compared books to friends.
有些人把书比作朋友。