This is a handy tool that, once learned, can be used for your entire lifetime.
这个常用工具一旦掌握，将受益终生。
As she was rinsing vegetables in a sieve she remembered that she had once learned shorthand.
在她把蔬菜放在筛子里冲洗的时候，她想起她曾经学过速记。
Soviet citizens once learned English with clandestine Beatles tapes and longed for Montana-brand jeans.
苏联公民曾经通过披头士磁带私下学习英语，也曾经渴望一条蒙大拿牌牛仔裤。
Awk is one of those languages that, once learned, will become a key part of your strategic coding Arsenal.
awk是一种一旦学会就会成为您战略代码库的重要部分的语言。
Thus, things once learned subconsciously through the casual communications of the extended family must be consciously learned.
因此，曾经在大家庭内部通过日常交流就可下意识学到的东西，现在却要有意识地去学。
I once learned English by myself.
我过去曾自学英语。
His father once learned English in England.
他的父亲曾经在英国学英语。
I am going to visit the old man from whom I once learned English.
我要去拜访一位曾经教过我英语的老人。
Just, I do not know whether you have already forgotten Chinese you once learned.
只是，不知你的中文是否已全然遗忘。
It takes several weeks of off-and-on practice to master the various knife techniques, but once learned they are never forgotten.
你要花上数周的时间不时地练习练习才能掌握各种刀法技巧，但一旦学会就再也不会忘记了。
I once learned Shakespeare in Oxford University on weekends for some while and the professors impressed me very much with their views, points and diligence.
曾经利用周末，在牛津专修莎士比亚文学课程，老师的观点、勤奋让我铭记。
"Evidence shows that once learned, those skills are translatable into actual outdoor travel, and that's huge, " says President Steven Landau of Touch Graphics.
有证据表明：人们一旦学会了这些技能，就可将它们运用于真正的室外行走中。那将具有重大的意义。
Liu Yifeng is from Hunan province. He graduated from Central University of Nationalities, and had once learned dance in Japan, is currently a professional dancer of LDTX.
刘益锋，湖南人，毕业于中央民族大学，曾留学日本，现为北京雷动天下现代舞团演员。
Once learned, you then go on to the next lesson.
而一旦你学会了，就会马上进入下一课的学习。
A lesson will be presented to you in various forms until you have learned it. Once learned, you then go on to the next lesson.
同样的教训会以不同的形式不断出现在你面前直到你学会为止。而一旦你学会了，就会马上进入下一课的学习。
A lesson will be presented to you in various forms until you have learned it. Once learned, you then go on to the next lesson.
同样的教训会以不同的形式不断出现在你面前直到你学会为止。而一旦你学会了，就会马上进入下一课的学习。
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