某事

Have great difficulty in doing sth.

做某事有极大困难

Have some difficulty/ trouble in doing sth.

某人做某事很费劲

Have influence on/upon/over sth.

对某事/某人有影响

Have influence on/upon/over...

影响某人去做某事

Have some more time to do sth.

有更多的时间做某事

Have a need to do sth.

有必要做某事 84。

Have need to do sth.

必须做某事

Have no business to do/doing sth.

意为"无权做某事"。

Have no business doing sth.

没有理由做某事。

Being talked have no business doing sth.

没有理由做某事。

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。