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I will remember that a good skater never tries to skate in two directions at once.

我会牢记：一位优秀的溜冰手从不试图同时滑向两个不同的方向。

I would remember that a good skater never tries to skate in two directions at one time.

我要牢记：优秀的滑冰手从不试图同时滑向两个不同的方向。

I would remember that a good skater tries to skate in two directions at once.

我要牢记：优秀的滑冰手从不试图同时滑向两个不同的方向。

I would remember that a good skater never tried to skate in two directions at once.

我要牢记：优秀的滑冰手从不试图同时滑向两个不同的方向。

I would remember that a good skater never tries to skate in two 的 directions at once.

我要牢记：的优秀的滑冰手从不试图同时滑向两个不同的方向。

Never skimp on repair costs, and never sail a damaged fleet unless you have no other option.

从不吝惜维修成本，而且从来没有帆，除非你有一个损坏的船队没有其他的选择。

He doesn't skimp on things.

他对财物从不吝啬。

Her boss is a skinflint .

她出手从不大方。

They think that truancy is not motivated performance and feel that they never skip class behavior is very valuable and even noble.

他们认为逃课是不上进的表现，并觉得自己从不逃课的行为难能可贵甚至非常崇高。

I never like mixing business with pleasure, but I may haveto slake the lust of each one in turn to get the film completed.

我从不喜欢将工作和享乐混为一谈，可是为了完成影片，我或许不得不出面消解她们每个人的渴望。

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。