Apex fracture
[医] 根尖折
🧩 词语组成解析
apex
['epɛks]
n. 顶;<喻>顶峰;<美><矿>脉尖;尖端;
🗣️ 情景例句
I have worked hard at my major subject.
我对主修课特别用功。
Fill it up with premium, please.
请加满高级汽油。
I must always keep on trying to do my best.
我必须始终继续作出最大的努力。