吃透英语课本，提升在校竞争力
adj. 品行端正的；品德高的；自命不凡的
副词：virtuously
Sue considered herself very virtuous because she neither drank nor smoked.
休认为自己品行非常端正，因为她既不喝酒也不抽烟。
She is known for her virtuous deeds.
她以她的善行而闻名。
virtuous circle
良性循环
virtuous cycle
adj.善良的；有道德的；贞洁的；正直的；有效力的
straight
square
just
