例如speed，它的过去式从sped变为speeded，这可能是因为该单词的意义由“快速移动”到“加速”的转变。

For the word speed, for example, a past-tense change from sped to speeded may have been accelerated by a shift in the word's meaning from "to move rapidly" towards "to exceed the speed limit."

youdao

从词汇表中找出下列单词的过去式。。

Find out the past forms of the following words in the vocabulary.

youdao

从词汇表中找出下列单词的过去式。。

Find out the past forms of the following words in the vocabulary.

youdao