重要

master

🇬🇧/ˈmɑːstə(r)/ 🇺🇸/ˈmæstər/📚 5280 63 4四级六级考研雅思中考高考
A servant's master is the man that he or she works for. 主人

noun [集合/集体]雇主,主子;主宰者,控制者;大师,能手;硕士;原版,母带;男教师;(动物的)主人;少爷;(英国)校长,院长;船长;著名画家;主控机件;国业公会主管,共济会地方分会会长;最高法院官员;<苏格兰>(子爵或男爵的)长子

If you say that someone is a master of a particular activity, you mean that they are extremely skilled at it.
专家

verb [vt. 及物动词]精通,掌握;控制,掌控;制作…母版

If you master something, you learn how to do it properly or you succeed in understanding it completely.
掌握•  Duff soon mastered the skills of radio production. 达夫很快掌握了广播节目制作的技能。

adjective [原级]熟练的,精通的;最重要的,主要的;原版的

A master copy of something, such as a film or a tape recording, is an original copy that can be used to produce other copies.
母带的

master 出现在下面的课文中
Lesson 37 The Westhaven Express
Lesson 60 Too early and too late
Lesson 41 Training elephants
Lesson 47 The great escape
单词造句: