1.
A source of usable power, such as petroleum or coal.
能源可用能量的来源，如石油或煤
2.
The valves can used for pipe nozzle and have reliable performance.
阀门可用于管端作放空阀用，性能可靠。
3.
The power of the atom can be used to produce electricity.
原子能可以用来发电。
4.
Nuclear energy may be used for the generation of electricity.
原子能可用来发电。
5.
try every means imaginable
试用一切可能的办法
6.
Unplanned energy unavailability(UEU)
非计划能量不可用率
7.
Dictionaries should be as user-friendly as possible.
词典应尽可能便于使用.
8.
Dictionaries should are as user friendly as possible.
词典应尽可能便于使用。
9.
Dictionaries should is as user friendly as possible.
词典应尽可能便於使用.
10.
Maybe it can take effect.
可能会起点作用吧。
11.
There is no freedom that is not open to abuse.
任何自由都可能被滥用。
12.
Language proficiency Please use one of these words: excellent, good, fair, poor
语文能力请用优、良、可、差
13.
Check out all of the MEL commands available.
可能查到所有的可用到的MEL命令。
14.
The phone line may be in use. Verify that the phone line is available.
电话可能占线。请验证电话线可用。
15.
So they can collect lucrative licensing fees.
这样他们才能收到可观的许可使用费。
16.
Wind is widely available, free and perhaps the most predictable source of natural energy on an annual basis.
风能是可以免费利用的，而且可能是每年最可预期的自然能源。
17.
Capable of being effected, done, or put into practice;feasible.
可实用的，行得通的能实行、能做到或可应用的；可行的
18.
uncontrollable expenses
不可控制费用;不能控制的费用;不能统制费用