Picrofluite
氟镁石
🗣️ 情景例句
Harry, if Michelle doesn't want to go,
Harry如果Michelle不想去，
I learned English this morning.
我今天早上学英文。
Such inns as there were generally dirty and flea-ridden;
那里的小客栈一般都很肮脏，而且跳蚤猖獗。