several manned lunar landings几个人类策划的登月计划A milky twilight crept about the stairway and the landings below.乳白的黄昏蹑进楼梯和下面的楼梯口.The road downward has but few landings and level places.下坡路上很少有落脚点和气地.Henry said through the car w...
The best treatment is antibiotics, preferably by injection.最佳的治疗方法是使用抗生素, 能够注射就更好.You may come, preferably, in the morning.你还是早晨来更好.The sensitizer is preferably encapulsated in quite small capsules of a solid.最好是将敏化剂包裹在十...