An Ordnance Survey grid reference gives the position of a place to within 100 metres.全国地形测量局的地图坐标标示某地的位置精确到100米以內.She worked in an ordnance factory during the war.战争期间她在一家兵工厂工作.Shoes and clothing for the army were scarce...
naval ordnance海军军械An Ordnance Survey grid reference gives the position of a place to within 100 metres.全国地形测量局的地图坐标标示某地的位置精确到100米以內.With cargo projectile by the world , serious problem of unexploded ordnance arisen.子母弹药的...
In many organisms the male and female gametes are different.很多生物体中雄配子与雌配子是不同的.Such similar - appearing gametes are called isogametes.这种外形相似的配子称为同形配子.It involves , in effect , immunizing mosquitoes against gametes, the se...
一按电钮,大门就滑动开启.The gate slid opened at the push of a button.伯克按动电钮;电梯开始缓慢上升.Burke pushed the button and the elevator began its slow ascent.我踮起脚才勉强够着电钮.By standing on tip - toe, I managed to reach the button....
通过雌株末梢的纵切面所现出的几个瓶 状 的颈卵器, 这就是雌性生殖器官.A similar section through the female plant reveals several bottle - shape archegonia , the female reproductory organs....
液化的水可以融化成极地海洋.Liquid water could be thawed to form a polar ocean.只把泪水当成是液化的现实.Think of the tears as being droplets of Liquid Reality.丙烷: 无色 、 易液化的气态烃 ( C3H8, 完整形式为CH3CH2CH3 ).Propane: Colourless, easily liquefied hydroca...