他们飞过了茫茫无边的北极上空.They flew over the unlimited reaches of the Arctic.无边的草原是这样平展, 就象风平浪静的海洋.The grassland stretches evenly before you, like a becalmed sea.一切都卷入了无边的黑暗中.Everything was swallowed up in the blackness of darkness...
天花板是灰色的，而且有裂纹。The ceiling was grey and cracked.盘子上有一道裂纹。The plate had a crack in it.所有的飞机都在接受检查，看是否可能有裂纹和腐蚀现象。All planes are being inspected for possible cracking and corrosion....
The interior flatlands and valleys are thickly planted with coconuts.内陆的平地和山谷中种着茂密的椰子树。Buildings old and new are thickly covered with graffiti.新老建筑上都有密密麻麻的涂鸦。That part of Castle Walk is not thickly vegetated.卡斯尔步行街那一地段的植...
The preparation conditions of calcium alginate microcapsule and influence factors were studied.研究了海藻酸钙微胶囊的制备条件和影响因素.ConclusionBlend microspheres with good performance were prepared with alginate and starch.结论以海藻酸钠和淀粉为原料制...