Plainest
plain（平的）的最高级形式
🗣️ 情景例句
She owes her good health to her regular life.
她把健康归功于规律的生活。
Janet winked at her boy friend.
珍妮向男朋友眨眨眼。
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
哈勃望远镜于1990年4月20日由国家航空航天局发射升空，耗资10多亿美元。