The prime mover may be a gas reciprocating engine.原动机可能是燃气往复式发动机.Almost all automobiles use the reciprocating engine.几乎所有的机动车都使用往复式发动机.Compressor may be reciprocating positive displacement or centrifugal.压缩机可以是活塞式、螺杆式或离心...
伊德里斯大声地宣告说：“在海里，谁落在最后谁就不是爷儿们。”"Last one in the sea is a sissy," proclaimed Idris.他越来越大声地表达对她行为的厌恶。His resentment of her behaviour was becoming more vociferous.查利大声地打嗝。Charlie burped loudly....
Snow Puppies is a ski school for 3 to 6-year-olds.“雪狗之家”是一所针对3至6岁儿童的滑雪学校。There are countless small ski areas dotted about the province.该省内遍布着许多小型滑雪场。The ski school coaches beginners, intermediates, and advanced skiers.滑雪...
...the closure of rural schools.农村学校的关闭Keratinocyte culture provides a new thought and approach for wound closure of area burned patients.表皮细胞培养为皮源匮乏的大面积烧伤患者的创面封闭提供了新的思路和途径.Objective To study the feasibility of primary c...