Cyrtometry
[医] 曲面测量法
🗣️ 情景例句
Permanently?
一直住下去？
Do well is better than say well.
说得好不如做得好。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。