Development of such distributed feedback heterostructure lasers requires crystal growth on corrugated layers.研制这种分布反馈双异质结构激光器要求在皱折层上生长出单晶层.We produce metal plates and corrugated sheets in different thicknesses.我们生产不同厚度的金...
In 1987, McDonald's captured 19 percent of all fast-food sales.1987年，麦当劳占据了整个快餐业销售额的19%。His figure is dwarfed by the huge red McDonald'ssign.在巨大的红色麦当劳标志牌下，他显得很矮小。In the morning Mr McDonald departed for Sydney.麦...
许多校舍不安全，有些简直是摇摇欲坠。Many school buildings are unsafe, and some are falling apart.由于存在着危险的下层逆流，在大部分海岸线附近游泳都不安全。Dangerous undertows make swimming unsafe along most of the coastline.男女混合的舞池不安全，对女孩子尤其如此。A mixed-sex moshpit is ...
丹佛在10个被考虑的地点之中具有优势。Denver has the inside track among 10 sites being considered.我们一定快到丹佛了.We must be almost to Denver.丹佛队在加时赛中以23比20击败克利夫兰布朗队夺得冠军。Denver had won the championship by defeating the Cleveland Browns 23-20 in ...