Silicification
n. 硅化作用\\n[医] 硅化
🗣️ 情景例句
Well, hi, fellas.
你们大家好。
He is playing on the see-saw in the yard.
他正在院子里玩跷跷板。
I like reading English books, but they're sometimes rather hard.
我喜欢看英语书，但有时候英语书相当难读。