Cavity preparation
[医] 洞制[备]法
🧩 词语组成解析
🗣️ 情景例句
How many people live in Turkey?
有多少人在土耳其生活？
What we learn with pleasure we never forget.
乐意学的东西决不会忘记。
He wrote books about communism. He said that all communists should help each other.
他写了不少关于共产主义的著作。他说所有的共产党人都应该互相帮助。