Saproconite
粒状深海灰岩
🗣️ 情景例句
These files are highly confidential, please store them properly.
这些文件是高度机密的，请妥善保存。
The problem has been bothering me for weeks.
那个问题已经困扰了我几个星期。
Oh, sweaters.
羊毛衫。