Perfective
a. 完成的, 完成时的\\nn. 完成时
🗣️ 情景例句
Sit down, sit down. Have some coffee.
请坐， 请坐。喝点咖啡。
Believe it or not!
信不信由你。
has profoundly modified this view of Galileo.
就会极大地改变对伽利略的看法。