【判断题】《史记》中记载,老子,出生在楚国苦县厉乡,曲仁里。()
【单选题】— Well, that was really a good meal. I _____ you were a really good cook. — Thank you.
【单选题】—Well, that was really a good meal. I _______ you were a really good cook. —Thank you.
【判断题】《史记》中记载,老子,出生在楚国苦县厉乡,曲仁里。
【简答题】cook a thank-you _____ ;
【简答题】当两构件组成转动副时,其速度瞬心位于 ;两构件组成移动副时,其瞬心位于 处;两构件组成滑动兼滚动的高副时,其瞬心位于 处。