Apex ossis sacri
[醫] 骶尖
?? 詞語組成解析
apex
['ep?ks]
n. 頂;<喻>頂峰;<美><礦>脈尖;尖端;
骨髓腔
??? 情景例句
Thank you.
謝謝你。
He that falls today may be up again tomorrow.
今天跌倒的人也許明天會站起來。
Over there, near the back.
就在那邊，靠后頭的地方。