The professor pored over the picture book in silence.教授默默地凝视着画册.I gave a picture book to each of the boys.我给了每个男孩一本小人书.I have a picture book.我有一本图画书....
His right leg buckled under him.他的右腿发软打战。Mcanally's knees buckled and he crumpled down onto the floor...麦卡纳利双膝发软,瘫倒在地板上。The accident buckled the wheel of my bicycle.我自行车的轮子在事故中弄弯了。Mcanally's knees buckled and h...