While learning a second language, students should also enhance their awareness of the importance of mastering their mother tongue.

在学习第二语言的同时，学生也应该更加重视掌握母语的重要性。

youdao

Spend a day learning QQ and mastering its roster of functions not seen in the West.

花一天时间学下QQ，掌握那里面在西方见不到的各种功能。

youdao

Had I instead spent that hour each day learning the latest techniques for mastering the problems of autocorrelation in regression analysis, I would have badly misspent my life.

如果当时我将这一个小时花在掌握诸如回归分析的自动校正之类的最新技术上，我也许会在以后的生涯中浪费我的生命。

youdao

Students spend up to two hours a day in a computer learning lab mastering basic math and reading skills through exercises and puzzles, freeing up teachers to spend their time on advanced skills and concepts.

CNN: Computers can't replace real teachers

Mastering original jet fighter technology is a challenge and learning about one of the hottest battles of the Cold War makes it a simulation worth flying.

CNN: Fly back to the Cold War with MiG Alley

And, this year, instead of promising to transform yourself overnight into a better parent, how about committing to continually improve your parenting little by little, by learning, thinking deeply about, and mastering one skill at a time?

CNN: A different kind of parenting resolution