focus mask的用法和樣例：
例句
- Let us next focus on the knee chakras.
接下來讓我們聚焦在膝部脈輪。 - The swelling interferes with focus and blurs ision.
這種腫脹會導致聚焦和視敏度異常。 - A new look grille, finished distinctively in chrome, also evokes a feeling that the Focus Vignale Concept could be from an expensive premium brand.
引人注目，新穎的鍍鉻格柵，體現著此車的設計理念，福特要將此款車型打造成高貴的極致品牌。
