At that moment there was a squeal of brakes and the angry blowing of a car horn.当时就听见刺耳的刹车声和愤怒的汽车喇叭声。The children gave a squeal of fright.孩子们发出惊吓的尖叫声.He heard tires squeal as the car braked to avoid a collision...为避免相撞而刹...
Many insects can perceive colours of the spectrum that are invisible to us.许多昆虫能感觉到光谱中我们所看不见的颜色。Parents fear they might overstep these invisible boundaries.父母担心他们可能会逾越这些无形的界限。The mends were almost invisible.补好的地方几乎看不出来.A...