Lithodeon
[医] 银汞硅土
🗣️ 情景例句
He started with them almost forty years ago.
他在那里做了快四十年了。
May I use your telephone?
我能用你的电话吗？
In the conversion of saliva into poison, one might suppose that a fixed process took place.
人们可能认为，唾液转变成毒液，其中有固定的程序。