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。
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。
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。
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。
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。
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。
应用推荐