Regrindability
磨锐性
🗣️ 情景例句
You have to cook dinner for the entire family.
你今晚得替全家做晚餐呢。
This is my second year of college, I'm a sophomore.
这是我上大学的第二年，我是二年级学生。
The comparable speed from the Moon is only 1.5 miles per second.
而从月球出发的相应速度只是每秒1。5英里。