Proficient in science and technology

精通───master;科技───science and technology

She learned Latin without a master.───她无师自通学会了拉丁语.

The first mate was studying to become a master.───大副正在学习准备当船长.

They are able to master the situation.───他们能够控制局势.

He saw himself as a Master of the Universe, an avenger of wrongs.───他把自己当成宇宙的统帅，惩治万恶。

Elephants like to have one master just as dogs do, and are capable of a considerable degree of personal affection.───大象正像狗一样,喜欢专一的主人, 而且能够有相当程度的个人感情.

He's a master of his craft.───他有一手好手艺.

Thomas Carlyle , notwithstanding his tedious rhetoric, is a master of the sublime in prose style.───尽管 托马斯·卡莱尔 的语言花俏冗长,但是他仍不失为一位令人崇敬的散文文体大师.

Master Worker Wang is responsible for the overhaul of this grinder.───王师傅主修这台磨床.

With careful training, a dog will obey its master completely.

He knelt to his master.

The dog obeyed his master.