be able / unable to + V 能(夠)/不能
be capable / incapable of + -ing 能夠/不能
be in a position + to V 能夠
can / cannot +V 能/不能
will / will be + V 能/不能
enable … + to V 使…能…
have the ability / capability / capacity / power + to V 用…的能力,能夠…
These planes will / can fly at 800 miles per hour .
這些飛機(jī)能以 800 英里每小時(shí)的速度飛行。
The lathe is capable of carrying out a wide variety of machining operations .
車床能完成各種各樣的機(jī)加工工序。
In many industrial drives it is necessary to be able to control the speed of a motor .
在許多工業(yè)傳動(dòng)(裝置)中需要能控制電動(dòng)機(jī)的轉(zhuǎn)速。
We are now in a position to carry out the last of the experiments .
現(xiàn)在我們能進(jìn)行最后—項(xiàng)實(shí)驗(yàn)了。
Hardness of some steels can be increased by heat treating .
某些鋼的硬度能通過(guò)熱處理加以提高。
The gear lever enables the driver to change gear .
變速桿使駕駛員能(變)換排擋。
A current of electricity has the capacity to do work .
電流有做功的能力。
Energy is defined as the capacity for doing work .
能量可定義為做功的能力。
Oxygen has an outstanding ability to combine with other elements .
氧氣具有與其他元素相結(jié)合的非凡能力。
The ability of a material to unite with oxygen is a chemical property .
物質(zhì)與氧結(jié)合的能力是一種化學(xué)性質(zhì)。
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