Titania
[化] 二氧化鈦
??? 情景例句
Have you ever done supervisory work?
你擔任過管理工作嗎？
Neither fish nor flesh (nor good red herring).
非驢非馬；不倫不類。
Such undertakings require the precise planning and foresight of military operations.
這種活動需要有軍事行動般的周密布署和預見能力。