Betafite
貝塔石, 鈮鈦鈾礦, 鈦酸鈮酸鈾礦
??? 情景例句
A large, please.
請(qǐng)給我大杯的。
What time does the ship leave?
船什么時(shí)間啟航？
The children pulled the boat up from the water. Then they started to look around the island.
孩子們把船從水中拉了上來(lái)。然后他們開始察看海島的四周。