I've had a very unproductive day.我这一天什么事都没干成。One quarter of the country is reckoned as unproductive.该国四分之一的土地被认为是不毛之地.To prospect for ( oil, for example ) in an area supposed to be unproductive.盲目开掘在认为资源不足的地区盲目找 ( 如...
在这个市场内部, 存在三个不同层级的技术, 成为 “ 叠层 ”Within this market, there are three different strata of technologies, known as'stacks "在叠层的组装工艺中,比如基板 - 焊片 - 芯片,即使有部分表面被盖住了,这种气氛同样有效.This is also preformed on covered surfaces a stacke...
It is a mild infection in which a baby's eyelashes can become gummed together.这是一种轻微感染,会导致婴儿睫毛粘在一起。My fingers gummed together as the sticky candy melted in my hand.黏糖在我手中化开了,把我的手指粘住了.The house price chain is gummed ...