Decalcification
n. [化]脱钙(作用)
🗣️ 情景例句
What's the problem, Richard?
有什么问题吗 Richard
A fool's bolt may sometimes hit the mark.
愚者千虑，必有一得。
After entering the narrow gap on the plateau, they climbed down the steep sides of the cave until they came to narrow corridor.
他们从高原上的窄缝进去，顺着笔直陡峭的洞壁往下爬。来到一条狭窄的走廊上。