The nonrigid helium - filled Blimp was principally developed by Alberto Santos - Dumont ( 1873 - 1932 ) .软式充填氦气的飞船主要是由桑托斯- 杜蒙特 发展改进.The gray oval is a blimp.灰色椭圆形是小型飞船.Scientists in the blimp did not see anything.小飞艇上的科学...
Emulsion latex uniform requirements leather brightener, viscosity moderate, non - layered latex long - term placement.乳液型皮革光亮剂要求乳液均匀, 粘度适中, 乳液 长期 放置不分层.Most drugs offer either no real improvement or, at best, only modera...
Chocolate comes from the cacao tree.巧克力出自可可树。Wealthy people drank cacao and said it was good for the digestion.富人喝可可,说它对消化有好处.Agriculture: bananas, coffee , cacao, rice; cattle; balsa wood; fish.农业: 香蕉, 咖啡,可可, 大米; 牛肉; 木材...
The buds are conical or pyramidal in shape.花蕾呈圆锥形或金字塔形。All three seemed sharp and conical in figure.这三座山都呈尖尖的圆锥形.Figure 3 - 10 illustrates the result of a study or conical shrouds.图3-10表明了对锥形外壳的研究结果....