Apex ossis sacri
[医] 骶尖
🧩 词语组成解析
apex
['epɛks]
n. 顶;<喻>顶峰;<美><矿>脉尖;尖端;
骨髓腔
🗣️ 情景例句
Two hours from now.
从现在起还有两个小时。
What track does the Metroliner leave from?
华纽特快从第几轨道开出？
The next morning the whole family trooped in to watch the performance.
第二天早晨全家人结队来到起居室看我表演。