黑人的食物可谓五花八门：有辣味的秋葵汤，有豇豆，还有羽衣甘蓝叶。Soul food is a varied cuisine: it includes spicy gumbos, black-eyed peas, and collard greens.我保证我以后最多就只吃一份秋葵.I promise never to eat more than one serving of okra again.包含钙的秋葵, 也有助于抵抗胃炎症.Ok...
The beam has a constant flexural rigidity.该梁具有常数弯曲刚度.In this case, the power is supplied by piezoelectric flexural transducers.在这个例子中, 压电式受弯换能器提供电能.A flexural oscillation model about V - shaped silicon electro thermal mi...