v.作证( witness的过去式和过去分词 );表示;(摆证据)…就是证据;是…的迹象;
例句:
She witnessed the accident.
她亲眼看见该事故.
He witnessed to having seen the man enter the building.
他作证说看见那个人走进那幢房子.
They witnessed the will.
他们在遗嘱上连署.