Is the most famous astronomer Ptolemy.最为著名的天文学家是托勒密.Ptolemy charted more than 1000 stars in 48 constella-tions.托勒密绘制了48个星座1,000多颗恒星的星位图。Ptolemy's model of the universe with the Earth at the center.托勒枚的以地球为中心的宇宙模型.Pt...
Ptolemy charted more than 1000 stars in 48 constella-tions.托勒密绘制了48个星座1,000多颗恒星的星位图。Ptolemy's model of the universe with the Earth at the center.托勒枚的以地球为中心的宇宙模型.Is the most famous astronomer Ptolemy.最为著名的天文学家是托勒密....
以低含氢硅油 、 不饱和聚醚 、 一氯乙酸和二甲胺为原料, 制备得阳离子有机硅油.The silicone quaternary was synthesized reaction of - H silicone, unsaturated - ether, chloroacetic acid, dimethylamine.双长链烷基甲基叔胺是脂肪醇和二甲胺催化胺化反应的主要 副产物.Dialkylmethylamines are the ...
在那条路就要分叉的地方有一家百货商店.There is a department store just before the road bisects.集中的一点是气管和支气管分叉的地方.One point of concentration is where the air tube and bronchus spanides.闪烁和他的两个分叉的舌头从他的嘴唇, 沉思了一会儿.And flickered his two - forke...
They leave unwanted objects in drawers, cupboards and attics.他们把暂时不需要的东西放在抽屉里 、 壁橱中和搁楼上.He asked the carpenter to build in some cupboards.他请木匠嵌加几个橱柜.Ask the carpenter to build in some cupboards.请木匠在墙上嵌几个碗橱.All the cupboa...
We attach hereto two extra copy of invoice covering our shipment.关于所装运货物,兹附寄发票副本两份.Scrapping management and packing management are important complements of book shipment management.报废管理和打包管理是出库管理的重要补充.The shipment is des...