1·Reckon up all your money and see if you have enough.
估算一下你一共有多少钱，看是否已经足够了。
—— 《新英汉大辞典》
2·And that, the researchers reckon, will be good enough.
而对研究人员的估算工作而言，近似值也就足够了。
3·Mr Sparrow and Mr Zoshi, by contrast, reckon they can produce that much fresh water with less than 1 kWh of electricity, and no other paid-for source of power is needed.
相较于前两种方法，Sparrow和Zoshi估算他们可以用不到1千瓦时的电力，同时也不需要其他任何付费能源就能产出更多的饮用水。
4·They reckon they can triple the efficiency of such devices, and thus launch them on the path to success.
他们估算可以将此装置的效率提高2倍，并全力以赴努力实现这一设想。
5·The researchers reckon that the extra iron boosted growth rates and carbon-dioxide consumption between two - and threefold.
研究人员估算由铁导致的额外生长的浮游生物以及二氧化碳吸收量大约是原水平的2到3倍。