Trifluoride
三氟化物
??? 情景例句
Grandpa, can you come?
爺爺， 你能去嗎？
The cruelest lies are often told in silence.
最殘酷的謊言常以沈默的方式說出。
it is customary for the new arrival to be placed between the stalls of two captives whose training is already well advanced.
通常是把新到的安置在兩頭訓練得很好的大象的象廄中間，