The team left with the a and d keys to control movement , w key jumping head ; if it is more than competition , on the right team around the keyboard keys to control movement on the bond jumping head 左边的队员用a d键控制移动， w键跳跃顶球如果是多人比赛，右边的队员用键盘左右键控制移动，上键跳跃顶球。
From the mtr station , exits a and d serve admiralty centre and united centre , shopping arcades connected by covered walkways and linked to a covered pedestrian bridge that stretches westward to central 从金钟地铁站a及d出口，可直达海富中心及统一中心，亦可经由贯连多个商场的有盖行人道接驳到西行的行人天桥网络，前往中环。
Surveys have found that children and adults who regularly eat breakfast have higher intakes of some vitamins and minerals - including iron ; calcium ; magnesium ; zinc ; the b vitamins , riboflavin and folate ; as well as vitamins a and d 调查发现，经常吃早餐的儿童和成年人可以摄入较高的维生素和矿物质其中包括铁钙镁锌b族维生素核黄素叶酸以及维生素
A and d keys to control movement of bond jumping w , s bond squat , the space bar attack , aimed at moving the mouse and click the left mouse button shooting , e , q - switching key weapons , r key detonated a bomb , p bond was suspended from the enter key A d键控制移动， w键跳跃， s键下蹲，空格键攻击，移动鼠标瞄准，点击鼠标左键射击， e q键切换武器， r键引爆炸弹， p键暂停，回车键退出。
In addition , meat , eggs and bean products contain iron , some minerals , and vitamins a and d . however the meat group also contain high levels of cholesterol and fats which when eating too much will cause overweight and heart disease 此外，肉类、蛋类和豆品类亦含有铁质、其他矿物质及维他命a和d等。但肉类亦含很高的胆固醇及脂肪，多吃会引起肥胖及很多慢性病如心脏病等，故吃适量的肉类便足够了。
Carbohydrate , protein and fat which , are needed in much larger amounts are described as macronutrients . animal foods tend to be excellent sources of some minerals and vitamins , particularly iron , zinc , iodine , vitamins a and d , and some of the b vitamins 碳水化合物蛋白质和脂肪的需要量要大得多，称为宏量营养素动物性食品是某些矿物质和维生素，尤其是铁锌碘维生素a和维生素d以及某些b组维生素的重要来源。
Overnutrition can result from overeating ; insufficient exercise ; overprescription of therapeutic diets , including parenteral nutrition ; excess intake of vitamins , particularly pyridoxine ( vitamin b6 ) , niacin , and vitamins a and d ; and excess intake of trace minerals 营养过剩可由摄食过度、缺少锻炼、治疗膳食摄入过度（包括胃肠外营养） 、过量摄入维生素，尤其是吡哆醇(维生素b6 ) 、尼克酸和维生素a和d 、以及微量元素摄入过多所致。
