Water tanks should be well lagged and the roof well insulated.水箱和屋顶都需要敷设严密的保温层。Are your hot and cold water pipes well insulated?你们的冷热水管包好隔热层了吗？This room is insulated against noise.这个房间隔音....
In order to make it safe, the element is electrically insulated.为安全起见,该元件作了电绝缘处理。Not far away were other geothermal wellheads, their natural pressurized steam deflected into huge insulated pipes.不远处是另几口地热井, 它们的天然加压蒸汽输进了巨...
他四处询问，得知比利还没到这儿。He had asked around and learned that Billy was not yet here.其中一位新闻记者询问是否有人为破坏的可能性。One of the journalists queried whether sabotage could have been involved.她将我的询问当成了人身侮辱。She has taken my enquiry as a perso...
Mendelian gene is not a real physical entity but an abstraction or symbol.孟德尔式的基因并不是真正的实体,而是抽象概念或者是说明性的符号.It is rather disappointing that so few of the features show clear - cut Mendelian pedigree patterns.颇使人感到失望的是,只有很少...
a spray of mixed violets and primroses一簇紫罗兰和报春花The primroses were bollming ; spring was in evidence.迎春花开了,春天显然已经到了.The primroses should begin to seed themselves down the steep hillside.报春花应该开始沿着陡峭的山坡一路撒播种子了。Wild flowers ...