In a study published in Current Biology, researchers played pairs of made-up words and their supposed meanings like "guga" means elephant, to sleep participants.

在《当代生物学》上发表的一项研究中，研究人员向睡眠参与者播放了几对虚构的单词及其假定的含义，如“guga”指大象。

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Semantics concerns the study of meanings.

语义学关注的是含义的研究。

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Learn Antecedentially (study the roots). By learning theroots of words, you will be able to discern the meanings of unfamiliarwords.

学习Antecedentially（学习词根），你可以通过学习词根来辨明不熟悉的词语。

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He used mnemonics relating to the sounds of numbers as well as the shapes or meanings of particular digits and images, according to a 2009 study by Ericsson and colleagues.

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