有些诗注定会被湮灭遗忘.Some poems are doomed to oblivion.亚原子物理学涉及到粒子的产生和湮灭.Subatomic physics involves the creation and destruction of particles.它们最终同带一定能量的电子一起湮灭.They eventually annihilate with an electron that has energy associate...
The minister's voice was a relentless drone.部长不停地絮叨着.the distant drone of traffic远处车辆往来发出的嗡嗡声The planes flew overhead with a low drone.飞机发出低沉的轰鸣声掠过头顶....
Ventilation: positive downdraft exhaust ventilation should be provided to maintain vapor concentration below TLV.通风: 为了使气体聚集程度维持在阀极限值之下,应提供通畅的向下棋流排气通风设施.Water vapor from the evaporative recovery process may be recondense...