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He went off to the Amsterdam Academy to improve his technique.

他去了阿姆斯特丹学院以提高技艺。

《柯林斯英汉双解大词典》

5an instructor demonstrates water combat techniques to prospective SEALs. The sailors then pair off, and practice the technique in a pool.

教官在给准海豹队员们演示水下的作战技巧。然而队员们分别开始捉对撕杀，在池中演练实战技术。

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Practicing at least four hours a day paid off in his staggering technique, equaled by his compelling powers of musical interpretation and sheer memory.

WSJ: Paul Jacobs | Great Music Needs No Apology | Cultural Conversation by Barrymore Laurence Scherer

Now, Dr Cummer and his colleagues have shown off an acoustic cloaking technique that works in air, for audible frequencies between one and four kilohertz - corresponding to two octaves on the higher half of a piano.

BBC: Acoustic 'cloaking device' shields objects from sound

Because the technique uses off-the-shelf wireless transceivers similar to those used in home computer networks, "the cost of this system will be cheaper than existing methods of monitoring breathing, " says Neal Patwari, senior author of a study of the new method and an assistant professor of electrical engineering.

ENGADGET: Researchers use wireless network to monitor breathing, could save lives