因为正在使用很多昂贵的设备，所以我非常紧张。I get very nervous because I'm using a lot of expensive equipment.海关官员们对这种设备作出了一系列互相矛盾的陈述。Customs officials have made a series of contradictory statements about the equipment.该设备几个月之前曾投入运行。The ...
Crystals having this property are said to be doubly refracting , or birefringent.具有这种性质的晶体叫做双折射晶体.Such substances are optically anisotropic and birefringent.这种材料是光学各向异性的,因而是双折射晶体.The stressmeter consists of a short solid...
疏松的覆盖物在土壤表面起了隔热的作用.A loose mulch acts on the surface as an insulator.将内锅移入真空外锅中,盖上内外锅盖, 让食物在隔热的锅中继续利用余热焖烧.Put the food inside the inner pot, heat to boil for five minutes.窗子上的彩色玻璃是隔热的, 教堂里面很凉快, 是个休息的好地方.Its stained - gla...
The boy was suffering from a bowel obstruction and he died.这个男孩因患肠梗阻死去了。Irritable bowel syndrome seems to affect more women than men.女性比男性更易患肠易激综合征。Research shows that a high-fibre diet may protect you from bowel cancer....