Fluellite
[化] 氟铝石
🗣️ 情景例句
Consider the cost before you decide.
你决定前要先考虑费用问题。
Which umpire will referee the baseball game?
不知道哪一个裁判要执法这场棒球赛？
Between twelve and eighty years we gradually lose this power;
除在12岁至80岁之间，我们逐渐丧失这种能力。