a perfect mark的用法和樣例：
例句
- On maps, a cross is the symbol for a church.
在地圖上，十字元號代表教堂。 - An accent is a mark representing stress.
重音音符是表示強音的符號。 - A recorder pen makes a mark on a chart.
記錄器的筆在記錄卡上劃一個記號。 - Make a mark where you have any doubts or questions.
在有疑問的地方可以做一個記號。 - He got a full mark in the exam yesterday.
他昨天考試得了滿分。 - Mary made a perfect score on her test.
瑪麗考了滿分。
