我们生活得相当节俭。We lived fairly frugally.他们生活节俭,只吃燕麦粥和小扁豆.They lived frugally off a diet of porridge and lentils.除了抽烟、喝酒, 他是个生活节俭的人.Except for smoking and drinking, he is a thrifty man....
It represents an example of a heterocycle being formed as transient species.它仍然是在反应中生成过渡状态的杂环的实例.The reduced heterocycle 46 conveniently separates out during the reaction.在反应过程中被还原的杂环(46)可以方便地分离出来....
中子和质子构成了原子核.The neutrons and protons form the core of the atom.原子核由中子 、 质子和其他粒子构成.The nucleus of an atom consists of neutrons, protons and other particles.中子就是原子核里不带电的粒子。A neutron is simply a neutral particle in the nucl...
4钻工钻井队有机械师 吗 ?Are there machinists in the oil - drilling group?钻工用合适的丝扣油涂抹接头母扣.The Floormen apply proper pipe dope into the thread box of the pipe joint.操作大钳时,必须教导钻工把手放在正确位置.The Floormen be instructed on proper placement...