例句與用法

1. Recent innovations include “ perpetual pavement , ” built on a costly but tough base of asphalt that is supposed to resist damage for twice as long as conventional structures
   永久路面是近年問(wèn)世的新發(fā)展，采用價(jià)格昂貴但十分堅(jiān)固的瀝青路基，耐用程度可達(dá)到傳統(tǒng)結(jié)構(gòu)的兩倍長(zhǎng)。
2. Although compact fluorescent light bulbs are relatively expensive , they use a fraction of the energy of normal bulbs , which means your electricity bills will fall . they also last eight times longer than ordinary bulbs
   雖然前者價(jià)錢較貴，但耗用的能源較普通燈泡小，不但節(jié)省電費(fèi)，耐用程度比普通燈泡高出八倍。
3. Some can build commercial goods directly , eliminating the need for molds , dies and machining , but most products still struggle to match the mechanical , thermal , durability or low - cost properties achieved by traditional manufacturing
   有些機(jī)器可直接制作商品，完全不需要模具和加工，不過(guò)大多數(shù)產(chǎn)品在力學(xué)與熱學(xué)特性、耐用程度和成本等各方面，還是難以和傳統(tǒng)加工產(chǎn)品抗衡。