求翻译：Middle school English teachers in china usually ask students to learn vocabulary lists in which words are isolated from the context. In one case, they let the students pick out all the new words in the text, list them on a paper, and consult the dictionary for the Chinese or English meanings; for example, “display” mean “show”, “arrive” means “reach”. In another case, they try to get the students to associate each word with an image or an object; for example, they hold up a picture of a car and say “This is a car.” Both these teaching techniques imply that learning vocabulary means learning individual word one at a time. These two methods may save time and be fast-effective. However, the relationships between words are as important as the meaning of the word in isolation: how “car” contrasts with “bus” and “truck”, and how it is related to “driver” and “eng是什么意思？

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