查询词典 hire labour

"And there is another class of servants, who are intellectually hardly on the level of companionship; still they have plenty of bodily strength for labour, which accordingly they sell, and are called, if I do not mistake, hirelings, hire being the name which is given to the price of their labour."

&还有另外一种奴仆阶级，他们几乎谈不上聪明睿智（很难被界定为知书达理、学识渊博），但也可算作是门人保姆（今之妓女、皮条客等所谓人生旅途伴侣之类应在此列）之类；他们不乏劳动需要的身体素质，那就吃苦卖力，俯首帖耳，听从召唤，没弄错的话，他们就是所谓的雇员阶级（雇员、雇工、雇佣军、苦力、力巴、大力士等单纯为金钱而受人使唤的人都应该是），雇佣只是个名号，其实就是为他们的劳动定个价格。&

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。