spick-and-span的例句（spick-and-span在句子中的用法）

• Bead trigonometry area basically is how to come true agrotechnical span problem. 珠三角地区主要是如何实现农业技术跨越问题.
• The Acetylcholinesterase membrane fixed by activated carrier had higher enzyme activity and longer life - span. 为建立快速的痕量有机磷类的酶法分析方法奠定了基础.
• It may be that you are unaware of where your hip joint is; it is not at the waist but a good hand span below it. 这也许是因为你并不晓得髋关节的位置，它不在腰部，而是位于腰部以下一手拃宽处。
• It is a very pretty butterfly, with a 2 inch wing span... 这是一只非常美丽的蝴蝶，翼展 2 英寸。
• Young children have a limited attention span and can't concentrate on one activity for very long. 小孩子的注意力持续时间十分有限，不能长时间地专注于一个活动。
• His ability to absorb information was astonishing, but his concentration span was short... 他吸收信息的能力令人吃惊，但是他的注意力持续时间很短。
• Gradually the time span between sessions will increase. 会议之间的间隔将逐渐延长。
• The batteries had a life span of six hours... 这些电池的寿命为 6 小时。
• When the bird lifts off into flight, its wings unfold to an impressive six-foot span. 这种鸟起飞时，翼展可达6英尺，很惊人。
• They have extended the potential life span of humanity everywhere. 世界各地人类的预期寿命均有所延长。