常見例句雙語例句Barium peroxide and zinc dust.過氧化鋇加鋅粉。Barium peroxide;過氧化鋇；Explain why barium forms peroxide but beryllium does not.解釋爲(wèi)什麼鋇能形成過氧化物而鈹則不能。 返回 barium peroxide