n.颈，颈状组织...

The old bridge threatened to colla e beneath the weight of our truck.这座老旧的桥梁恐怕快被我们卡车的重量给压垮了....

colla的音标：colla的英式发音音标为：['kɒlə]colla的美式发音音标为：['kɒlə]...