Samaria
[化] 氧化钐
🗣️ 情景例句
Carl will be perfectly fine after we remove his tonsils.
切除扁桃腺之后，Carl会完全恢复健康的。
Knowledge is a treasure, but practice is the key to it.
知识是一座宝库，实践是打开宝库的钥匙。
Yes, I do.
是的，我有。