无精打采地

RED emerges into fading daylight, slouches low-key through the activity, worn cap on his head, exchanging hellos and doing minor business. He's an important man here.

瑞德慢慢地出现在日光下，戴上他的帽子，无精打采的穿过活动的人群，与人打着招呼并做些小交易，他是这里的一个重要人物。

Two footmen were noiselessly removing the empty cups and the plates with cakes. In front of the hearth the ladies had re-formed and, at the same time, narrowed their circle and were chatting more carelessly than before in the languid atmosphere peculiar to the close of a party.

两个仆人不声不响地把空茶杯和盛糕点的碟子端走，太太们在壁炉前面又围成一圈，但圈子缩小了，晚会快结束时，在无精打采的气氛中，她们谈得更随便了。

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。