Rare earth fluoride
[化] 氟化稀土
?? 詞語組成解析
earth
[?θ]
n. 地球;陸地;泥土;獸穴;
vt. 把（電線）接地;蓋（土）;追趕入洞穴;
vi. 躲進地洞;
fluoride
[['flu?raid]]
n. 氟化物\\n[化] 氟化物
??? 情景例句
Will it take long?
要很久嗎？
Pride goes before destruction.
驕者必敗。
All those who have contributed towards the gift will sign their names in a large album which will be sent to the headmaster's home.
所有湊錢買此禮品的人都將自己的名字簽在一本大簽名簿上，簽名簿將被送到校長的家里。