你的饮食中新鲜果蔬充足吗？Are there plenty of fresh fruits and vegetables in your diet?这些植物必须放置于零度以上光照充足的地方。These plants must be stored in the light at above freezing temperature.她的房子光线充足，空气流通，清新整洁。Her house is light and airy, crisp ...
The systems are getting smaller and using lower voltages.这些系统变得更小，使用的电压也更低。The exact voltages used depend on the local supply.具体电压要视地区供电情况而定.Precision shunts are used to convert currents to voltages for the amps function...