Ossificatio
[拉]骨化
🗣️ 情景例句
So, it's virtually risk-free for you.
所以，事实上对您而言，是完全没有风险的。
Do you often study history on Saturday?
你常常在星期六学历史吗？
he answered me, but he spoke neither slowly nor clearly.
他回答了，但他讲得既不慢也不清楚。