The girl squinted at the photograph. She seemed to be nearsighted.女孩眯起眼睛看照片。她好像近视。He squinted his eyes and looked at the floor.他眯起眼看着地板。I squinted to adjust my eyes to the dimness.我眯起眼，努力适应黑暗的环境。...
The effective date of this contract will begin from Dec . 30 th, 2007.这个合同的有效期将从2007年12月30日开始.The persons elected will sit till 31 Dec . , 1973.当选者任期至1973年12月31日.On the evening of Dec. 31, we usually celebrate the New Ye...
a cryogenic storage system低温冷藏系统Trapping gas pump include: adsorption, such as pumps and cryogenic pumps.气体捕集泵包括: 吸附泵和低温泵等.Foamed plastic materials containing many small cells which are not connected are good cryogenic i...