关节松弛的

The ligament looseness is most prominent in the hip girdle and leg joints, and it results in a less than sure walking gait.

韧带松弛是最突出的腰带在臀部和腿部关节，并在不到确保它的结果步态。

And how high or low the belly sits depends on how much the pelvic joints loosen (thanks to a hormone called relaxin, produced by the ovaries mainly during pregnancy), thereby making more room for the baby to drop into the pelvis, he adds.

腹部位置的高或低取决于骨盆关节松动程度（由于荷尔蒙唤起耻骨松弛激素——主要是怀孕期间卵巢产生的），从而有更多的空间把婴儿丢进骨盆内，他补充道。

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。