Cuba is politically and administratively divided into 14 provinces.古巴从政治上和行政上被分为14个省。So trade between the two nations has been something of a one-way street, with Cuba deriving the benefit.所以在两国的双边贸易中可以说只有古巴从中受惠。Major Ci...
The sea started to ease as we came under Cuba's lee.我们靠近古巴的背风海岸时风浪开始平息。Spain has been one of Cuba's major trading partners.西班牙一直是古巴的主要贸易伙伴之一。Cuba is politically and administratively divided into 14 provinces.古巴...
他幼时得过小儿麻痹症后双腿安上了支架。He wore leg braces after polio in childhood.他把牵引支架固定在船体上。He fixed the towing cradle round the hull.这墙可以作为你的照相机的支架.This wall will do as a rest for your camera....
Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst.以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl butyrate was synthesized by using gallium sulfate supported on silica gel as the catalyst.以自制的硅胶固载硫酸镓为催化剂,正丁酸和...