top grade [drug]

例句：

1. 1. Theteam's performance was top grade this season.
   这个赛季该队的表现是顶级的。
2. 2. She is a top grade student who always performs well in exams.
   她是一个成绩优异的学生，考试总是表现得很好。
3. 3. The restaurant has received top grade reviews from customers.
   这家餐厅收到了顾客的顶级评价。